Finding the Fourth Proportional to 115,693,470.77, 173,541,223.10 and 29,431,968.75
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Solution
The fourth proportional to 115,693,470.77, 173,541,223.10 and 29,431,968.75 is: 44,148,211.83
Step by Step Solution
- Step 1: Write the proportion equation
115,693,470.77 : 173,541,223.10 = 29,431,968.75 : x - Step 2: Convert to fraction form
115,693,470.77/173,541,223.10 = 29,431,968.75/x - Step 3: Cross multiply
115,693,470.77x = 173,541,223.10 × 29,431,968.75 - Step 4: Simplify right side
115,693,470.77x = 5,107,659,855,189,558 - Step 5: Solve for x
x = 5,107,659,855,189,558/115,693,470.77 - Step 6: Final answer
x = 44,148,211.83
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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.