Finding the Fourth Proportional to 202,136,942.80, 303,204,430.05 and 79,228,417.60
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Solution
The fourth proportional to 202,136,942.80, 303,204,430.05 and 79,228,417.60 is: 118,842,240.66
Step by Step Solution
- Step 1: Write the proportion equation
202,136,942.80 : 303,204,430.05 = 79,228,417.60 : x - Step 2: Convert to fraction form
202,136,942.80/303,204,430.05 = 79,228,417.60/x - Step 3: Cross multiply
202,136,942.80x = 303,204,430.05 × 79,228,417.60 - Step 4: Simplify right side
202,136,942.80x = 24,022,407,202,171,388 - Step 5: Solve for x
x = 24,022,407,202,171,388/202,136,942.80 - Step 6: Final answer
x = 118,842,240.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.