Home / 137,414,793.30-206,122,189.95-115,891,432.80

Finding the Fourth Proportional to 137,414,793.30, 206,122,189.95 and 115,891,432.80

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Solution

The fourth proportional to 137,414,793.30, 206,122,189.95 and 115,891,432.80 is: 173,837,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,414,793.30 : 206,122,189.95 = 115,891,432.80 : x
  2. Step 2: Convert to fraction form
    137,414,793.30/206,122,189.95 = 115,891,432.80/x
  3. Step 3: Cross multiply
    137,414,793.30x = 206,122,189.95 × 115,891,432.80
  4. Step 4: Simplify right side
    137,414,793.30x = 23,887,795,925,179,260
  5. Step 5: Solve for x
    x = 23,887,795,925,179,260/137,414,793.30
  6. Step 6: Final answer
    x = 173,837,149.20

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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.