Home / 100,927,144.23-139,279,520.05-54,517,418.65

Finding the Fourth Proportional to 100,927,144.23, 139,279,520.05 and 54,517,418.65

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Solution

The fourth proportional to 100,927,144.23, 139,279,520.05 and 54,517,418.65 is: 75,234,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,144.23 : 139,279,520.05 = 54,517,418.65 : x
  2. Step 2: Convert to fraction form
    100,927,144.23/139,279,520.05 = 54,517,418.65/x
  3. Step 3: Cross multiply
    100,927,144.23x = 139,279,520.05 × 54,517,418.65
  4. Step 4: Simplify right side
    100,927,144.23x = 7,593,159,903,936,919
  5. Step 5: Solve for x
    x = 7,593,159,903,936,919/100,927,144.23
  6. Step 6: Final answer
    x = 75,234,070.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.