Home / 67,638,046.12-101,475,374.38-48,231,789.12

Finding the Fourth Proportional to 67,638,046.12, 101,475,374.38 and 48,231,789.12

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Solution

The fourth proportional to 67,638,046.12, 101,475,374.38 and 48,231,789.12 is: 72,360,736.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,638,046.12 : 101,475,374.38 = 48,231,789.12 : x
  2. Step 2: Convert to fraction form
    67,638,046.12/101,475,374.38 = 48,231,789.12/x
  3. Step 3: Cross multiply
    67,638,046.12x = 101,475,374.38 × 48,231,789.12
  4. Step 4: Simplify right side
    67,638,046.12x = 4,894,338,857,969,210
  5. Step 5: Solve for x
    x = 4,894,338,857,969,210/67,638,046.12
  6. Step 6: Final answer
    x = 72,360,736.87

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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.