Home / 87,614,775.87-120,945,619.08-54,591,340.92

Finding the Fourth Proportional to 87,614,775.87, 120,945,619.08 and 54,591,340.92

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Solution

The fourth proportional to 87,614,775.87, 120,945,619.08 and 54,591,340.92 is: 75,359,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,775.87 : 120,945,619.08 = 54,591,340.92 : x
  2. Step 2: Convert to fraction form
    87,614,775.87/120,945,619.08 = 54,591,340.92/x
  3. Step 3: Cross multiply
    87,614,775.87x = 120,945,619.08 × 54,591,340.92
  4. Step 4: Simplify right side
    87,614,775.87x = 6,602,583,523,976,737
  5. Step 5: Solve for x
    x = 6,602,583,523,976,737/87,614,775.87
  6. Step 6: Final answer
    x = 75,359,246.87

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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.