Home / 87,416,283.53-120,627,218.72-49,729,420.06

Finding the Fourth Proportional to 87,416,283.53, 120,627,218.72 and 49,729,420.06

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Solution

The fourth proportional to 87,416,283.53, 120,627,218.72 and 49,729,420.06 is: 68,622,473.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,416,283.53 : 120,627,218.72 = 49,729,420.06 : x
  2. Step 2: Convert to fraction form
    87,416,283.53/120,627,218.72 = 49,729,420.06/x
  3. Step 3: Cross multiply
    87,416,283.53x = 120,627,218.72 × 49,729,420.06
  4. Step 4: Simplify right side
    87,416,283.53x = 5,998,721,630,219,131
  5. Step 5: Solve for x
    x = 5,998,721,630,219,131/87,416,283.53
  6. Step 6: Final answer
    x = 68,622,473.85

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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.