Table:
0
A
B
C
D
E
F
1
Brazil 100%
White 47.73%
Black 7.61%
Yellow 1.09%
Brown (Multiracial) 43.13%
Indians 0,43%
2
45 932 294
20 460 482
2 698 639
420 952
22 055 573
295 862
3
24.08%
22,47%
18,59%
20,02%
26,81%
36,17%
4
100%
44,54%
5,88%
0,92%
48,02%
0,64%
5
105 816 285
49 381 206
8 693 350
1 178 391
46 156 227
402 079
6
0,43407
0,41434
0,31043
0,35723
0,47785
0,73583

Questions and formulas:
Question: What's the Yellow fertility rate when Brazil is 0,43407?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1=43407),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,A2:A6=43407),4))
Level: medium