Home / 67,227,191.77-100,844,363.42-21,172,662.33

Finding the Fourth Proportional to 67,227,191.77, 100,844,363.42 and 21,172,662.33

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Solution

The fourth proportional to 67,227,191.77, 100,844,363.42 and 21,172,662.33 is: 31,760,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,191.77 : 100,844,363.42 = 21,172,662.33 : x
  2. Step 2: Convert to fraction form
    67,227,191.77/100,844,363.42 = 21,172,662.33/x
  3. Step 3: Cross multiply
    67,227,191.77x = 100,844,363.42 × 21,172,662.33
  4. Step 4: Simplify right side
    67,227,191.77x = 2,135,143,654,575,463.75
  5. Step 5: Solve for x
    x = 2,135,143,654,575,463.75/67,227,191.77
  6. Step 6: Final answer
    x = 31,760,119.65

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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.