Home / 83,016,096.20-124,188,221.10-72,938,400.20

Finding the Fourth Proportional to 83,016,096.20, 124,188,221.10 and 72,938,400.20

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Solution

The fourth proportional to 83,016,096.20, 124,188,221.10 and 72,938,400.20 is: 109,112,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,096.20 : 124,188,221.10 = 72,938,400.20 : x
  2. Step 2: Convert to fraction form
    83,016,096.20/124,188,221.10 = 72,938,400.20/x
  3. Step 3: Cross multiply
    83,016,096.20x = 124,188,221.10 × 72,938,400.20
  4. Step 4: Simplify right side
    83,016,096.20x = 9,058,090,170,717,884
  5. Step 5: Solve for x
    x = 9,058,090,170,717,884/83,016,096.20
  6. Step 6: Final answer
    x = 109,112,456.32

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1.5x scale

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.