Home / 100,926,226.15-139,278,248.13-54,516,480.53

Finding the Fourth Proportional to 100,926,226.15, 139,278,248.13 and 54,516,480.53

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Solution

The fourth proportional to 100,926,226.15, 139,278,248.13 and 54,516,480.53 is: 75,232,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,226.15 : 139,278,248.13 = 54,516,480.53 : x
  2. Step 2: Convert to fraction form
    100,926,226.15/139,278,248.13 = 54,516,480.53/x
  3. Step 3: Cross multiply
    100,926,226.15x = 139,278,248.13 × 54,516,480.53
  4. Step 4: Simplify right side
    100,926,226.15x = 7,592,959,902,431,654
  5. Step 5: Solve for x
    x = 7,592,959,902,431,654/100,926,226.15
  6. Step 6: Final answer
    x = 75,232,773.40

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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.