Finding the Fourth Proportional to 71,902,736, 99,226,125.60 and 39,307,688
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Solution
The fourth proportional to 71,902,736, 99,226,125.60 and 39,307,688 is: 54,244,800.73
Step by Step Solution
- Step 1: Write the proportion equation
71,902,736 : 99,226,125.60 = 39,307,688 : x - Step 2: Convert to fraction form
71,902,736/99,226,125.60 = 39,307,688/x - Step 3: Cross multiply
71,902,736x = 99,226,125.60 × 39,307,688 - Step 4: Simplify right side
71,902,736x = 3,900,349,586,533,612.50 - Step 5: Solve for x
x = 3,900,349,586,533,612.50/71,902,736 - Step 6: Final answer
x = 54,244,800.73
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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.