Home / 100,927,144.67-139,279,520.66-54,517,419.09

Finding the Fourth Proportional to 100,927,144.67, 139,279,520.66 and 54,517,419.09

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Solution

The fourth proportional to 100,927,144.67, 139,279,520.66 and 54,517,419.09 is: 75,234,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,144.67 : 139,279,520.66 = 54,517,419.09 : x
  2. Step 2: Convert to fraction form
    100,927,144.67/139,279,520.66 = 54,517,419.09/x
  3. Step 3: Cross multiply
    100,927,144.67x = 139,279,520.66 × 54,517,419.09
  4. Step 4: Simplify right side
    100,927,144.67x = 7,593,159,998,202,947
  5. Step 5: Solve for x
    x = 7,593,159,998,202,947/100,927,144.67
  6. Step 6: Final answer
    x = 75,234,071.30

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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.