Home / 100,926,179.12-139,278,183.17-54,516,433.30

Finding the Fourth Proportional to 100,926,179.12, 139,278,183.17 and 54,516,433.30

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Solution

The fourth proportional to 100,926,179.12, 139,278,183.17 and 54,516,433.30 is: 75,232,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,179.12 : 139,278,183.17 = 54,516,433.30 : x
  2. Step 2: Convert to fraction form
    100,926,179.12/139,278,183.17 = 54,516,433.30/x
  3. Step 3: Cross multiply
    100,926,179.12x = 139,278,183.17 × 54,516,433.30
  4. Step 4: Simplify right side
    100,926,179.12x = 7,592,949,781,963,514
  5. Step 5: Solve for x
    x = 7,592,949,781,963,514/100,926,179.12
  6. Step 6: Final answer
    x = 75,232,708.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.