Home / 150,405,115.66-225,608,452.02-68,466,691.12

Finding the Fourth Proportional to 150,405,115.66, 225,608,452.02 and 68,466,691.12

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Solution

The fourth proportional to 150,405,115.66, 225,608,452.02 and 68,466,691.12 is: 102,700,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,405,115.66 : 225,608,452.02 = 68,466,691.12 : x
  2. Step 2: Convert to fraction form
    150,405,115.66/225,608,452.02 = 68,466,691.12/x
  3. Step 3: Cross multiply
    150,405,115.66x = 225,608,452.02 × 68,466,691.12
  4. Step 4: Simplify right side
    150,405,115.66x = 15,446,664,198,514,682
  5. Step 5: Solve for x
    x = 15,446,664,198,514,682/150,405,115.66
  6. Step 6: Final answer
    x = 102,700,391.08

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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.