Home / 87,614,778.87-120,945,623.22-54,591,343.92

Finding the Fourth Proportional to 87,614,778.87, 120,945,623.22 and 54,591,343.92

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Solution

The fourth proportional to 87,614,778.87, 120,945,623.22 and 54,591,343.92 is: 75,359,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,778.87 : 120,945,623.22 = 54,591,343.92 : x
  2. Step 2: Convert to fraction form
    87,614,778.87/120,945,623.22 = 54,591,343.92/x
  3. Step 3: Cross multiply
    87,614,778.87x = 120,945,623.22 × 54,591,343.92
  4. Step 4: Simplify right side
    87,614,778.87x = 6,602,584,112,821,758
  5. Step 5: Solve for x
    x = 6,602,584,112,821,758/87,614,778.87
  6. Step 6: Final answer
    x = 75,359,251.01

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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.