Home / 80,133,241.76-120,201,933-21,841,399.04

Finding the Fourth Proportional to 80,133,241.76, 120,201,933 and 21,841,399.04

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Solution

The fourth proportional to 80,133,241.76, 120,201,933 and 21,841,399.04 is: 32,762,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133,241.76 : 120,201,933 = 21,841,399.04 : x
  2. Step 2: Convert to fraction form
    80,133,241.76/120,201,933 = 21,841,399.04/x
  3. Step 3: Cross multiply
    80,133,241.76x = 120,201,933 × 21,841,399.04
  4. Step 4: Simplify right side
    80,133,241.76x = 2,625,378,384,032,344
  5. Step 5: Solve for x
    x = 2,625,378,384,032,344/80,133,241.76
  6. Step 6: Final answer
    x = 32,762,662.86

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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.