Home / 148,732,642.20-223,098,963.30-121,469,718.90

Finding the Fourth Proportional to 148,732,642.20, 223,098,963.30 and 121,469,718.90

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Solution

The fourth proportional to 148,732,642.20, 223,098,963.30 and 121,469,718.90 is: 182,204,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,732,642.20 : 223,098,963.30 = 121,469,718.90 : x
  2. Step 2: Convert to fraction form
    148,732,642.20/223,098,963.30 = 121,469,718.90/x
  3. Step 3: Cross multiply
    148,732,642.20x = 223,098,963.30 × 121,469,718.90
  4. Step 4: Simplify right side
    148,732,642.20x = 27,099,768,358,932,420
  5. Step 5: Solve for x
    x = 27,099,768,358,932,420/148,732,642.20
  6. Step 6: Final answer
    x = 182,204,578.35

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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.