Home / 295,189,512.30-442,400,201.49-120,108,508.62

Finding the Fourth Proportional to 295,189,512.30, 442,400,201.49 and 120,108,508.62

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Solution

The fourth proportional to 295,189,512.30, 442,400,201.49 and 120,108,508.62 is: 180,006,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,189,512.30 : 442,400,201.49 = 120,108,508.62 : x
  2. Step 2: Convert to fraction form
    295,189,512.30/442,400,201.49 = 120,108,508.62/x
  3. Step 3: Cross multiply
    295,189,512.30x = 442,400,201.49 × 120,108,508.62
  4. Step 4: Simplify right side
    295,189,512.30x = 53,136,028,414,151,408
  5. Step 5: Solve for x
    x = 53,136,028,414,151,408/295,189,512.30
  6. Step 6: Final answer
    x = 180,006,491.42

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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.