Home / 138,102,287.45-207,244,924.00-75,897,043.13

Finding the Fourth Proportional to 138,102,287.45, 207,244,924.00 and 75,897,043.13

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Solution

The fourth proportional to 138,102,287.45, 207,244,924.00 and 75,897,043.13 is: 113,895,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,102,287.45 : 207,244,924.00 = 75,897,043.13 : x
  2. Step 2: Convert to fraction form
    138,102,287.45/207,244,924.00 = 75,897,043.13/x
  3. Step 3: Cross multiply
    138,102,287.45x = 207,244,924.00 × 75,897,043.13
  4. Step 4: Simplify right side
    138,102,287.45x = 15,729,276,935,629,940
  5. Step 5: Solve for x
    x = 15,729,276,935,629,940/138,102,287.45
  6. Step 6: Final answer
    x = 113,895,846.53

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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.