Question

find the ratio 50days to 4 years

Answer 1

4 years = 365*4 = 1460
Ratio = 50:1460 = 5:146

Answer 2

please consider the below answer
$50 \div( 4 \times 365) \\ = 50 \div 1460 \\ = 10 \div 292 \\ = 5 \div 146$