Home / 67,858,456.86-101,797,146.09-21,801,720.78

Finding the Fourth Proportional to 67,858,456.86, 101,797,146.09 and 21,801,720.78

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Solution

The fourth proportional to 67,858,456.86, 101,797,146.09 and 21,801,720.78 is: 32,705,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,858,456.86 : 101,797,146.09 = 21,801,720.78 : x
  2. Step 2: Convert to fraction form
    67,858,456.86/101,797,146.09 = 21,801,720.78/x
  3. Step 3: Cross multiply
    67,858,456.86x = 101,797,146.09 × 21,801,720.78
  4. Step 4: Simplify right side
    67,858,456.86x = 2,219,352,955,255,049
  5. Step 5: Solve for x
    x = 2,219,352,955,255,049/67,858,456.86
  6. Step 6: Final answer
    x = 32,705,620.76

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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.