Finding the Fourth Proportional to 81,924,738.11, 113,057,805.21 and 44,757,425.71
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Solution
The fourth proportional to 81,924,738.11, 113,057,805.21 and 44,757,425.71 is: 61,766,157.98
Step by Step Solution
- Step 1: Write the proportion equation
81,924,738.11 : 113,057,805.21 = 44,757,425.71 : x - Step 2: Convert to fraction form
81,924,738.11/113,057,805.21 = 44,757,425.71/x - Step 3: Cross multiply
81,924,738.11x = 113,057,805.21 × 44,757,425.71 - Step 4: Simplify right side
81,924,738.11x = 5,060,176,316,833,150 - Step 5: Solve for x
x = 5,060,176,316,833,150/81,924,738.11 - Step 6: Final answer
x = 61,766,157.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.