Home / 100,926,180.12-139,278,184.55-54,516,434.30

Finding the Fourth Proportional to 100,926,180.12, 139,278,184.55 and 54,516,434.30

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Solution

The fourth proportional to 100,926,180.12, 139,278,184.55 and 54,516,434.30 is: 75,232,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,180.12 : 139,278,184.55 = 54,516,434.30 : x
  2. Step 2: Convert to fraction form
    100,926,180.12/139,278,184.55 = 54,516,434.30/x
  3. Step 3: Cross multiply
    100,926,180.12x = 139,278,184.55 × 54,516,434.30
  4. Step 4: Simplify right side
    100,926,180.12x = 7,592,949,997,443,350
  5. Step 5: Solve for x
    x = 7,592,949,997,443,350/100,926,180.12
  6. Step 6: Final answer
    x = 75,232,709.57

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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.