Home / 138,423,452.80-207,635,179.20-132,526,134.40

Finding the Fourth Proportional to 138,423,452.80, 207,635,179.20 and 132,526,134.40

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Solution

The fourth proportional to 138,423,452.80, 207,635,179.20 and 132,526,134.40 is: 198,789,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,423,452.80 : 207,635,179.20 = 132,526,134.40 : x
  2. Step 2: Convert to fraction form
    138,423,452.80/207,635,179.20 = 132,526,134.40/x
  3. Step 3: Cross multiply
    138,423,452.80x = 207,635,179.20 × 132,526,134.40
  4. Step 4: Simplify right side
    138,423,452.80x = 27,517,087,664,827,284
  5. Step 5: Solve for x
    x = 27,517,087,664,827,284/138,423,452.80
  6. Step 6: Final answer
    x = 198,789,201.60

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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.