Home / 99,694,932.90-149,542,399.35-54,345,300.90

Finding the Fourth Proportional to 99,694,932.90, 149,542,399.35 and 54,345,300.90

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Solution

The fourth proportional to 99,694,932.90, 149,542,399.35 and 54,345,300.90 is: 81,517,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694,932.90 : 149,542,399.35 = 54,345,300.90 : x
  2. Step 2: Convert to fraction form
    99,694,932.90/149,542,399.35 = 54,345,300.90/x
  3. Step 3: Cross multiply
    99,694,932.90x = 149,542,399.35 × 54,345,300.90
  4. Step 4: Simplify right side
    99,694,932.90x = 8,126,926,689,983,714
  5. Step 5: Solve for x
    x = 8,126,926,689,983,714/99,694,932.90
  6. Step 6: Final answer
    x = 81,517,951.35

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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.