Home / 158,511,371.38-237,842,195.10-76,584,324.76

Finding the Fourth Proportional to 158,511,371.38, 237,842,195.10 and 76,584,324.76

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Solution

The fourth proportional to 158,511,371.38, 237,842,195.10 and 76,584,324.76 is: 114,912,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,371.38 : 237,842,195.10 = 76,584,324.76 : x
  2. Step 2: Convert to fraction form
    158,511,371.38/237,842,195.10 = 76,584,324.76/x
  3. Step 3: Cross multiply
    158,511,371.38x = 237,842,195.10 × 76,584,324.76
  4. Step 4: Simplify right side
    158,511,371.38x = 18,214,983,911,169,680
  5. Step 5: Solve for x
    x = 18,214,983,911,169,680/158,511,371.38
  6. Step 6: Final answer
    x = 114,912,789.87

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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.