Finding the Fourth Proportional to 115,745,425.32, 159,728,861.93 and 62,822,151.97
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Solution
The fourth proportional to 115,745,425.32, 159,728,861.93 and 62,822,151.97 is: 86,694,664.70
Step by Step Solution
- Step 1: Write the proportion equation
115,745,425.32 : 159,728,861.93 = 62,822,151.97 : x - Step 2: Convert to fraction form
115,745,425.32/159,728,861.93 = 62,822,151.97/x - Step 3: Cross multiply
115,745,425.32x = 159,728,861.93 × 62,822,151.97 - Step 4: Simplify right side
115,745,425.32x = 10,034,510,838,346,650 - Step 5: Solve for x
x = 10,034,510,838,346,650/115,745,425.32 - Step 6: Final answer
x = 86,694,664.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.