Home / 102,181,697.71-141,195,196.20-72,761,954.55

Finding the Fourth Proportional to 102,181,697.71, 141,195,196.20 and 72,761,954.55

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Solution

The fourth proportional to 102,181,697.71, 141,195,196.20 and 72,761,954.55 is: 100,542,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181,697.71 : 141,195,196.20 = 72,761,954.55 : x
  2. Step 2: Convert to fraction form
    102,181,697.71/141,195,196.20 = 72,761,954.55/x
  3. Step 3: Cross multiply
    102,181,697.71x = 141,195,196.20 × 72,761,954.55
  4. Step 4: Simplify right side
    102,181,697.71x = 10,273,638,448,326,110
  5. Step 5: Solve for x
    x = 10,273,638,448,326,110/102,181,697.71
  6. Step 6: Final answer
    x = 100,542,843.57

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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.