Home / 124,938,077.20-187,407,115.80-88,587,512.80

Finding the Fourth Proportional to 124,938,077.20, 187,407,115.80 and 88,587,512.80

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Solution

The fourth proportional to 124,938,077.20, 187,407,115.80 and 88,587,512.80 is: 132,881,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938,077.20 : 187,407,115.80 = 88,587,512.80 : x
  2. Step 2: Convert to fraction form
    124,938,077.20/187,407,115.80 = 88,587,512.80/x
  3. Step 3: Cross multiply
    124,938,077.20x = 187,407,115.80 × 88,587,512.80
  4. Step 4: Simplify right side
    124,938,077.20x = 16,601,930,269,743,582
  5. Step 5: Solve for x
    x = 16,601,930,269,743,582/124,938,077.20
  6. Step 6: Final answer
    x = 132,881,269.20

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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.