Finding the Fourth Proportional to 73,349,693.70, 110,024,540.55 and 65,696,943.30
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Solution
The fourth proportional to 73,349,693.70, 110,024,540.55 and 65,696,943.30 is: 98,545,414.95
Step by Step Solution
- Step 1: Write the proportion equation
73,349,693.70 : 110,024,540.55 = 65,696,943.30 : x - Step 2: Convert to fraction form
73,349,693.70/110,024,540.55 = 65,696,943.30/x - Step 3: Cross multiply
73,349,693.70x = 110,024,540.55 × 65,696,943.30 - Step 4: Simplify right side
73,349,693.70x = 7,228,276,002,121,900 - Step 5: Solve for x
x = 7,228,276,002,121,900/73,349,693.70 - Step 6: Final answer
x = 98,545,414.95
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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.