Home / 87,614,846.92-120,945,717.20-54,591,412.04

Finding the Fourth Proportional to 87,614,846.92, 120,945,717.20 and 54,591,412.04

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Solution

The fourth proportional to 87,614,846.92, 120,945,717.20 and 54,591,412.04 is: 75,359,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,846.92 : 120,945,717.20 = 54,591,412.04 : x
  2. Step 2: Convert to fraction form
    87,614,846.92/120,945,717.20 = 54,591,412.04/x
  3. Step 3: Cross multiply
    87,614,846.92x = 120,945,717.20 × 54,591,412.04
  4. Step 4: Simplify right side
    87,614,846.92x = 6,602,597,482,138,515
  5. Step 5: Solve for x
    x = 6,602,597,482,138,515/87,614,846.92
  6. Step 6: Final answer
    x = 75,359,345.07

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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.