Home / 87,338,940.11-130,959,251.19-29,015,393.98

Finding the Fourth Proportional to 87,338,940.11, 130,959,251.19 and 29,015,393.98

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Solution

The fourth proportional to 87,338,940.11, 130,959,251.19 and 29,015,393.98 is: 43,506,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338,940.11 : 130,959,251.19 = 29,015,393.98 : x
  2. Step 2: Convert to fraction form
    87,338,940.11/130,959,251.19 = 29,015,393.98/x
  3. Step 3: Cross multiply
    87,338,940.11x = 130,959,251.19 × 29,015,393.98
  4. Step 4: Simplify right side
    87,338,940.11x = 3,799,834,268,767,332.50
  5. Step 5: Solve for x
    x = 3,799,834,268,767,332.50/87,338,940.11
  6. Step 6: Final answer
    x = 43,506,759.57

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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.