Home / 68,760,771.96-103,129,945.92-20,227,272.96

Finding the Fourth Proportional to 68,760,771.96, 103,129,945.92 and 20,227,272.96

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Solution

The fourth proportional to 68,760,771.96, 103,129,945.92 and 20,227,272.96 is: 30,337,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,760,771.96 : 103,129,945.92 = 20,227,272.96 : x
  2. Step 2: Convert to fraction form
    68,760,771.96/103,129,945.92 = 20,227,272.96/x
  3. Step 3: Cross multiply
    68,760,771.96x = 103,129,945.92 × 20,227,272.96
  4. Step 4: Simplify right side
    68,760,771.96x = 2,086,037,566,473,878.50
  5. Step 5: Solve for x
    x = 2,086,037,566,473,878.50/68,760,771.96
  6. Step 6: Final answer
    x = 30,337,611.21

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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.