Home / 91,653,872.20-137,640,240.60-48,607,151.20

Finding the Fourth Proportional to 91,653,872.20, 137,640,240.60 and 48,607,151.20

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Solution

The fourth proportional to 91,653,872.20, 137,640,240.60 and 48,607,151.20 is: 72,995,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,653,872.20 : 137,640,240.60 = 48,607,151.20 : x
  2. Step 2: Convert to fraction form
    91,653,872.20/137,640,240.60 = 48,607,151.20/x
  3. Step 3: Cross multiply
    91,653,872.20x = 137,640,240.60 × 48,607,151.20
  4. Step 4: Simplify right side
    91,653,872.20x = 6,690,299,986,048,579
  5. Step 5: Solve for x
    x = 6,690,299,986,048,579/91,653,872.20
  6. Step 6: Final answer
    x = 72,995,279.15

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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.