Home / 87,179,982.82-120,308,382.81-48,021,759.55

Finding the Fourth Proportional to 87,179,982.82, 120,308,382.81 and 48,021,759.55

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Solution

The fourth proportional to 87,179,982.82, 120,308,382.81 and 48,021,759.55 is: 66,270,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,179,982.82 : 120,308,382.81 = 48,021,759.55 : x
  2. Step 2: Convert to fraction form
    87,179,982.82/120,308,382.81 = 48,021,759.55/x
  3. Step 3: Cross multiply
    87,179,982.82x = 120,308,382.81 × 48,021,759.55
  4. Step 4: Simplify right side
    87,179,982.82x = 5,777,420,230,309,523
  5. Step 5: Solve for x
    x = 5,777,420,230,309,523/87,179,982.82
  6. Step 6: Final answer
    x = 66,270,031.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.