Home / 101,491,069.70-140,057,772.62-55,081,335.92

Finding the Fourth Proportional to 101,491,069.70, 140,057,772.62 and 55,081,335.92

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Solution

The fourth proportional to 101,491,069.70, 140,057,772.62 and 55,081,335.92 is: 76,012,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,491,069.70 : 140,057,772.62 = 55,081,335.92 : x
  2. Step 2: Convert to fraction form
    101,491,069.70/140,057,772.62 = 55,081,335.92/x
  3. Step 3: Cross multiply
    101,491,069.70x = 140,057,772.62 × 55,081,335.92
  4. Step 4: Simplify right side
    101,491,069.70x = 7,714,569,220,913,503
  5. Step 5: Solve for x
    x = 7,714,569,220,913,503/101,491,069.70
  6. Step 6: Final answer
    x = 76,012,295.89

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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.