Home / 87,399,961.20-131,117,437.80-25,989,001.20

Finding the Fourth Proportional to 87,399,961.20, 131,117,437.80 and 25,989,001.20

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Solution

The fourth proportional to 87,399,961.20, 131,117,437.80 and 25,989,001.20 is: 38,988,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,961.20 : 131,117,437.80 = 25,989,001.20 : x
  2. Step 2: Convert to fraction form
    87,399,961.20/131,117,437.80 = 25,989,001.20/x
  3. Step 3: Cross multiply
    87,399,961.20x = 131,117,437.80 × 25,989,001.20
  4. Step 4: Simplify right side
    87,399,961.20x = 3,407,611,248,325,125
  5. Step 5: Solve for x
    x = 3,407,611,248,325,125/87,399,961.20
  6. Step 6: Final answer
    x = 38,988,704.36

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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.