Finding the Fourth Proportional to 71,472,841.96, 107,221,220.97 and 56,119,512.28
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Solution
The fourth proportional to 71,472,841.96, 107,221,220.97 and 56,119,512.28 is: 84,188,657.70
Step by Step Solution
- Step 1: Write the proportion equation
71,472,841.96 : 107,221,220.97 = 56,119,512.28 : x - Step 2: Convert to fraction form
71,472,841.96/107,221,220.97 = 56,119,512.28/x - Step 3: Cross multiply
71,472,841.96x = 107,221,220.97 × 56,119,512.28 - Step 4: Simplify right side
71,472,841.96x = 6,017,202,626,902,509 - Step 5: Solve for x
x = 6,017,202,626,902,509/71,472,841.96 - Step 6: Final answer
x = 84,188,657.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.