Home / 87,276,755.54-130,915,789.56-38,741,561.21

Finding the Fourth Proportional to 87,276,755.54, 130,915,789.56 and 38,741,561.21

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Solution

The fourth proportional to 87,276,755.54, 130,915,789.56 and 38,741,561.21 is: 58,112,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276,755.54 : 130,915,789.56 = 38,741,561.21 : x
  2. Step 2: Convert to fraction form
    87,276,755.54/130,915,789.56 = 38,741,561.21/x
  3. Step 3: Cross multiply
    87,276,755.54x = 130,915,789.56 × 38,741,561.21
  4. Step 4: Simplify right side
    87,276,755.54x = 5,071,882,074,921,508
  5. Step 5: Solve for x
    x = 5,071,882,074,921,508/87,276,755.54
  6. Step 6: Final answer
    x = 58,112,633.12

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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.