Home / 83,145,280.80-124,717,921.20-52,534,279.20

Finding the Fourth Proportional to 83,145,280.80, 124,717,921.20 and 52,534,279.20

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Solution

The fourth proportional to 83,145,280.80, 124,717,921.20 and 52,534,279.20 is: 78,801,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,145,280.80 : 124,717,921.20 = 52,534,279.20 : x
  2. Step 2: Convert to fraction form
    83,145,280.80/124,717,921.20 = 52,534,279.20/x
  3. Step 3: Cross multiply
    83,145,280.80x = 124,717,921.20 × 52,534,279.20
  4. Step 4: Simplify right side
    83,145,280.80x = 6,551,966,093,564,400
  5. Step 5: Solve for x
    x = 6,551,966,093,564,400/83,145,280.80
  6. Step 6: Final answer
    x = 78,801,418.80

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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.