Home / 87,467,799.20-131,202,189.25-29,175,317.21

Finding the Fourth Proportional to 87,467,799.20, 131,202,189.25 and 29,175,317.21

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Solution

The fourth proportional to 87,467,799.20, 131,202,189.25 and 29,175,317.21 is: 43,763,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,467,799.20 : 131,202,189.25 = 29,175,317.21 : x
  2. Step 2: Convert to fraction form
    87,467,799.20/131,202,189.25 = 29,175,317.21/x
  3. Step 3: Cross multiply
    87,467,799.20x = 131,202,189.25 × 29,175,317.21
  4. Step 4: Simplify right side
    87,467,799.20x = 3,827,865,490,229,131.50
  5. Step 5: Solve for x
    x = 3,827,865,490,229,131.50/87,467,799.20
  6. Step 6: Final answer
    x = 43,763,139.41

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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.