Home / 68,948,121.55-103,422,182.33-40,226,687.95

Finding the Fourth Proportional to 68,948,121.55, 103,422,182.33 and 40,226,687.95

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Solution

The fourth proportional to 68,948,121.55, 103,422,182.33 and 40,226,687.95 is: 60,340,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948,121.55 : 103,422,182.33 = 40,226,687.95 : x
  2. Step 2: Convert to fraction form
    68,948,121.55/103,422,182.33 = 40,226,687.95/x
  3. Step 3: Cross multiply
    68,948,121.55x = 103,422,182.33 × 40,226,687.95
  4. Step 4: Simplify right side
    68,948,121.55x = 4,160,331,855,495,781
  5. Step 5: Solve for x
    x = 4,160,331,855,495,781/68,948,121.55
  6. Step 6: Final answer
    x = 60,340,031.93

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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.