Home / 166,327,964.38-229,523,309.17-90,959,419.32

Finding the Fourth Proportional to 166,327,964.38, 229,523,309.17 and 90,959,419.32

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Solution

The fourth proportional to 166,327,964.38, 229,523,309.17 and 90,959,419.32 is: 125,518,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,327,964.38 : 229,523,309.17 = 90,959,419.32 : x
  2. Step 2: Convert to fraction form
    166,327,964.38/229,523,309.17 = 90,959,419.32/x
  3. Step 3: Cross multiply
    166,327,964.38x = 229,523,309.17 × 90,959,419.32
  4. Step 4: Simplify right side
    166,327,964.38x = 20,877,306,922,508,028
  5. Step 5: Solve for x
    x = 20,877,306,922,508,028/166,327,964.38
  6. Step 6: Final answer
    x = 125,518,922.81

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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.