Home / 87,645,320.20-131,467,980.30-84,297,241.90

Finding the Fourth Proportional to 87,645,320.20, 131,467,980.30 and 84,297,241.90

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Solution

The fourth proportional to 87,645,320.20, 131,467,980.30 and 84,297,241.90 is: 126,445,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645,320.20 : 131,467,980.30 = 84,297,241.90 : x
  2. Step 2: Convert to fraction form
    87,645,320.20/131,467,980.30 = 84,297,241.90/x
  3. Step 3: Cross multiply
    87,645,320.20x = 131,467,980.30 × 84,297,241.90
  4. Step 4: Simplify right side
    87,645,320.20x = 11,082,388,137,453,536
  5. Step 5: Solve for x
    x = 11,082,388,137,453,536/87,645,320.20
  6. Step 6: Final answer
    x = 126,445,862.85

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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.