Home / 68,761,596.82-103,131,178.31-20,228,104.12

Finding the Fourth Proportional to 68,761,596.82, 103,131,178.31 and 20,228,104.12

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Solution

The fourth proportional to 68,761,596.82, 103,131,178.31 and 20,228,104.12 is: 30,338,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,761,596.82 : 103,131,178.31 = 20,228,104.12 : x
  2. Step 2: Convert to fraction form
    68,761,596.82/103,131,178.31 = 20,228,104.12/x
  3. Step 3: Cross multiply
    68,761,596.82x = 103,131,178.31 × 20,228,104.12
  4. Step 4: Simplify right side
    68,761,596.82x = 2,086,148,212,771,825.25
  5. Step 5: Solve for x
    x = 2,086,148,212,771,825.25/68,761,596.82
  6. Step 6: Final answer
    x = 30,338,856.41

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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.