Home / 83,016,010.70-124,188,092.85-72,938,314.70

Finding the Fourth Proportional to 83,016,010.70, 124,188,092.85 and 72,938,314.70

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Solution

The fourth proportional to 83,016,010.70, 124,188,092.85 and 72,938,314.70 is: 109,112,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,010.70 : 124,188,092.85 = 72,938,314.70 : x
  2. Step 2: Convert to fraction form
    83,016,010.70/124,188,092.85 = 72,938,314.70/x
  3. Step 3: Cross multiply
    83,016,010.70x = 124,188,092.85 × 72,938,314.70
  4. Step 4: Simplify right side
    83,016,010.70x = 9,058,070,198,286,120
  5. Step 5: Solve for x
    x = 9,058,070,198,286,120/83,016,010.70
  6. Step 6: Final answer
    x = 109,112,328.11

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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.