Home / 87,057,171.80-130,486,757.22-45,493,963.98

Finding the Fourth Proportional to 87,057,171.80, 130,486,757.22 and 45,493,963.98

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Solution

The fourth proportional to 87,057,171.80, 130,486,757.22 and 45,493,963.98 is: 68,189,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057,171.80 : 130,486,757.22 = 45,493,963.98 : x
  2. Step 2: Convert to fraction form
    87,057,171.80/130,486,757.22 = 45,493,963.98/x
  3. Step 3: Cross multiply
    87,057,171.80x = 130,486,757.22 × 45,493,963.98
  4. Step 4: Simplify right side
    87,057,171.80x = 5,936,359,832,344,360
  5. Step 5: Solve for x
    x = 5,936,359,832,344,360/87,057,171.80
  6. Step 6: Final answer
    x = 68,189,210.72

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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.