Home / 68,227,591-102,326,317.12-19,694,898.76

Finding the Fourth Proportional to 68,227,591, 102,326,317.12 and 19,694,898.76

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Solution

The fourth proportional to 68,227,591, 102,326,317.12 and 19,694,898.76 is: 29,537,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,227,591 : 102,326,317.12 = 19,694,898.76 : x
  2. Step 2: Convert to fraction form
    68,227,591/102,326,317.12 = 19,694,898.76/x
  3. Step 3: Cross multiply
    68,227,591x = 102,326,317.12 × 19,694,898.76
  4. Step 4: Simplify right side
    68,227,591x = 2,015,306,456,162,055
  5. Step 5: Solve for x
    x = 2,015,306,456,162,055/68,227,591
  6. Step 6: Final answer
    x = 29,537,998.14

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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.