Finding the Fourth Proportional to 71,487,418.18, 107,182,173.61 and 36,404,622.17
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Solution
The fourth proportional to 71,487,418.18, 107,182,173.61 and 36,404,622.17 is: 54,582,003.84
Step by Step Solution
- Step 1: Write the proportion equation
71,487,418.18 : 107,182,173.61 = 36,404,622.17 : x - Step 2: Convert to fraction form
71,487,418.18/107,182,173.61 = 36,404,622.17/x - Step 3: Cross multiply
71,487,418.18x = 107,182,173.61 × 36,404,622.17 - Step 4: Simplify right side
71,487,418.18x = 3,901,926,533,631,395 - Step 5: Solve for x
x = 3,901,926,533,631,395/71,487,418.18 - Step 6: Final answer
x = 54,582,003.84
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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.