Home / 225,428,689.38-338,258,733.18-107,387,130.36

Finding the Fourth Proportional to 225,428,689.38, 338,258,733.18 and 107,387,130.36

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Solution

The fourth proportional to 225,428,689.38, 338,258,733.18 and 107,387,130.36 is: 161,135,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,428,689.38 : 338,258,733.18 = 107,387,130.36 : x
  2. Step 2: Convert to fraction form
    225,428,689.38/338,258,733.18 = 107,387,130.36/x
  3. Step 3: Cross multiply
    225,428,689.38x = 338,258,733.18 × 107,387,130.36
  4. Step 4: Simplify right side
    225,428,689.38x = 36,324,634,675,409,120
  5. Step 5: Solve for x
    x = 36,324,634,675,409,120/225,428,689.38
  6. Step 6: Final answer
    x = 161,135,810.95

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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.