English: So, , $\frac{V_{q}}{V_{t}} = \frac{N_{q}}{N_{t}} = a$; that means, $V_{t} = \frac{V_{q}}{a}$ this is equation 75.
Telugu: కాబట్టి, , $\frac{V_{q}}{V_{t}} = \frac{N_{q}}{N_{t}} = a$; అంటే, $V_{t} = \frac{V_{q}}{a}$ ఇది సమీకరణం 75.