Home / 127,491,723.54-175,916,629.17-71,729,405.46

Finding the Fourth Proportional to 127,491,723.54, 175,916,629.17 and 71,729,405.46

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Solution

The fourth proportional to 127,491,723.54, 175,916,629.17 and 71,729,405.46 is: 98,974,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491,723.54 : 175,916,629.17 = 71,729,405.46 : x
  2. Step 2: Convert to fraction form
    127,491,723.54/175,916,629.17 = 71,729,405.46/x
  3. Step 3: Cross multiply
    127,491,723.54x = 175,916,629.17 × 71,729,405.46
  4. Step 4: Simplify right side
    127,491,723.54x = 12,618,395,220,891,392
  5. Step 5: Solve for x
    x = 12,618,395,220,891,392/127,491,723.54
  6. Step 6: Final answer
    x = 98,974,230.41

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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.