Finding the Fourth Proportional to 81,822,966.95, 122,731,461.09 and 24,313,743.47
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Solution
The fourth proportional to 81,822,966.95, 122,731,461.09 and 24,313,743.47 is: 36,469,726.92
Step by Step Solution
- Step 1: Write the proportion equation
81,822,966.95 : 122,731,461.09 = 24,313,743.47 : x - Step 2: Convert to fraction form
81,822,966.95/122,731,461.09 = 24,313,743.47/x - Step 3: Cross multiply
81,822,966.95x = 122,731,461.09 × 24,313,743.47 - Step 4: Simplify right side
81,822,966.95x = 2,984,061,260,947,375.50 - Step 5: Solve for x
x = 2,984,061,260,947,375.50/81,822,966.95 - Step 6: Final answer
x = 36,469,726.92
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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.