Home / 91,738,757.20-137,608,135.80-87,487,229.20

Finding the Fourth Proportional to 91,738,757.20, 137,608,135.80 and 87,487,229.20

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Solution

The fourth proportional to 91,738,757.20, 137,608,135.80 and 87,487,229.20 is: 131,230,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738,757.20 : 137,608,135.80 = 87,487,229.20 : x
  2. Step 2: Convert to fraction form
    91,738,757.20/137,608,135.80 = 87,487,229.20/x
  3. Step 3: Cross multiply
    91,738,757.20x = 137,608,135.80 × 87,487,229.20
  4. Step 4: Simplify right side
    91,738,757.20x = 12,038,954,516,519,326
  5. Step 5: Solve for x
    x = 12,038,954,516,519,326/91,738,757.20
  6. Step 6: Final answer
    x = 131,230,843.80

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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.