Home / 99,694,920.15-149,542,380.23-54,345,288.15

Finding the Fourth Proportional to 99,694,920.15, 149,542,380.23 and 54,345,288.15

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Solution

The fourth proportional to 99,694,920.15, 149,542,380.23 and 54,345,288.15 is: 81,517,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694,920.15 : 149,542,380.23 = 54,345,288.15 : x
  2. Step 2: Convert to fraction form
    99,694,920.15/149,542,380.23 = 54,345,288.15/x
  3. Step 3: Cross multiply
    99,694,920.15x = 149,542,380.23 × 54,345,288.15
  4. Step 4: Simplify right side
    99,694,920.15x = 8,126,923,743,964,486
  5. Step 5: Solve for x
    x = 8,126,923,743,964,486/99,694,920.15
  6. Step 6: Final answer
    x = 81,517,932.23

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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.