Home / 320,589,301.56-442,414,086.48-173,911,585.56

Finding the Fourth Proportional to 320,589,301.56, 442,414,086.48 and 173,911,585.56

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Solution

The fourth proportional to 320,589,301.56, 442,414,086.48 and 173,911,585.56 is: 239,998,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,589,301.56 : 442,414,086.48 = 173,911,585.56 : x
  2. Step 2: Convert to fraction form
    320,589,301.56/442,414,086.48 = 173,911,585.56/x
  3. Step 3: Cross multiply
    320,589,301.56x = 442,414,086.48 × 173,911,585.56
  4. Step 4: Simplify right side
    320,589,301.56x = 76,940,935,253,815,760
  5. Step 5: Solve for x
    x = 76,940,935,253,815,760/320,589,301.56
  6. Step 6: Final answer
    x = 239,998,449.35

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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.