Finding the Fourth Proportional to 72,827,737.74, 109,257,353.10 and 38,744,130.06
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Solution
The fourth proportional to 72,827,737.74, 109,257,353.10 and 38,744,130.06 is: 58,124,572.17
Step by Step Solution
- Step 1: Write the proportion equation
72,827,737.74 : 109,257,353.10 = 38,744,130.06 : x - Step 2: Convert to fraction form
72,827,737.74/109,257,353.10 = 38,744,130.06/x - Step 3: Cross multiply
72,827,737.74x = 109,257,353.10 × 38,744,130.06 - Step 4: Simplify right side
72,827,737.74x = 4,233,081,098,517,744 - Step 5: Solve for x
x = 4,233,081,098,517,744/72,827,737.74 - Step 6: Final answer
x = 58,124,572.17
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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.