Home / 87,179,980.82-120,308,380.05-48,021,757.55

Finding the Fourth Proportional to 87,179,980.82, 120,308,380.05 and 48,021,757.55

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Solution

The fourth proportional to 87,179,980.82, 120,308,380.05 and 48,021,757.55 is: 66,270,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,179,980.82 : 120,308,380.05 = 48,021,757.55 : x
  2. Step 2: Convert to fraction form
    87,179,980.82/120,308,380.05 = 48,021,757.55/x
  3. Step 3: Cross multiply
    87,179,980.82x = 120,308,380.05 × 48,021,757.55
  4. Step 4: Simplify right side
    87,179,980.82x = 5,777,419,857,152,706
  5. Step 5: Solve for x
    x = 5,777,419,857,152,706/87,179,980.82
  6. Step 6: Final answer
    x = 66,270,029.00

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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.