Home / 311,519,212.38-430,028,881.44-194,102,555.61

Finding the Fourth Proportional to 311,519,212.38, 430,028,881.44 and 194,102,555.61

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Solution

The fourth proportional to 311,519,212.38, 430,028,881.44 and 194,102,555.61 is: 267,944,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,519,212.38 : 430,028,881.44 = 194,102,555.61 : x
  2. Step 2: Convert to fraction form
    311,519,212.38/430,028,881.44 = 194,102,555.61/x
  3. Step 3: Cross multiply
    311,519,212.38x = 430,028,881.44 × 194,102,555.61
  4. Step 4: Simplify right side
    311,519,212.38x = 83,469,704,873,613,696
  5. Step 5: Solve for x
    x = 83,469,704,873,613,696/311,519,212.38
  6. Step 6: Final answer
    x = 267,944,003.31

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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.