Home / 87,217,033.62-120,362,073.78-48,061,332.64

Finding the Fourth Proportional to 87,217,033.62, 120,362,073.78 and 48,061,332.64

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Solution

The fourth proportional to 87,217,033.62, 120,362,073.78 and 48,061,332.64 is: 66,326,053.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,217,033.62 : 120,362,073.78 = 48,061,332.64 : x
  2. Step 2: Convert to fraction form
    87,217,033.62/120,362,073.78 = 48,061,332.64/x
  3. Step 3: Cross multiply
    87,217,033.62x = 120,362,073.78 × 48,061,332.64
  4. Step 4: Simplify right side
    87,217,033.62x = 5,784,761,665,180,802
  5. Step 5: Solve for x
    x = 5,784,761,665,180,802/87,217,033.62
  6. Step 6: Final answer
    x = 66,326,053.81

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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.