Home / 87,488,015.20-131,232,022.80-36,469,679.20

Finding the Fourth Proportional to 87,488,015.20, 131,232,022.80 and 36,469,679.20

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Solution

The fourth proportional to 87,488,015.20, 131,232,022.80 and 36,469,679.20 is: 54,704,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,015.20 : 131,232,022.80 = 36,469,679.20 : x
  2. Step 2: Convert to fraction form
    87,488,015.20/131,232,022.80 = 36,469,679.20/x
  3. Step 3: Cross multiply
    87,488,015.20x = 131,232,022.80 × 36,469,679.20
  4. Step 4: Simplify right side
    87,488,015.20x = 4,785,989,772,283,086
  5. Step 5: Solve for x
    x = 4,785,989,772,283,086/87,488,015.20
  6. Step 6: Final answer
    x = 54,704,518.80

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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.