Home / 225,778,036.20-338,566,955.82-120,707,883.12

Finding the Fourth Proportional to 225,778,036.20, 338,566,955.82 and 120,707,883.12

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Solution

The fourth proportional to 225,778,036.20, 338,566,955.82 and 120,707,883.12 is: 181,008,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,778,036.20 : 338,566,955.82 = 120,707,883.12 : x
  2. Step 2: Convert to fraction form
    225,778,036.20/338,566,955.82 = 120,707,883.12/x
  3. Step 3: Cross multiply
    225,778,036.20x = 338,566,955.82 × 120,707,883.12
  4. Step 4: Simplify right side
    225,778,036.20x = 40,867,700,531,414,768
  5. Step 5: Solve for x
    x = 40,867,700,531,414,768/225,778,036.20
  6. Step 6: Final answer
    x = 181,008,308.95

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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.