Home / 149,542,422.85-224,313,634.28-81,517,974.85

Finding the Fourth Proportional to 149,542,422.85, 224,313,634.28 and 81,517,974.85

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Solution

The fourth proportional to 149,542,422.85, 224,313,634.28 and 81,517,974.85 is: 122,276,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542,422.85 : 224,313,634.28 = 81,517,974.85 : x
  2. Step 2: Convert to fraction form
    149,542,422.85/224,313,634.28 = 81,517,974.85/x
  3. Step 3: Cross multiply
    149,542,422.85x = 224,313,634.28 × 81,517,974.85
  4. Step 4: Simplify right side
    149,542,422.85x = 18,285,593,197,341,548
  5. Step 5: Solve for x
    x = 18,285,593,197,341,548/149,542,422.85
  6. Step 6: Final answer
    x = 122,276,962.28

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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.