Home / 87,441,615.21-120,625,844.67-52,134,519.54

Finding the Fourth Proportional to 87,441,615.21, 120,625,844.67 and 52,134,519.54

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Solution

The fourth proportional to 87,441,615.21, 120,625,844.67 and 52,134,519.54 is: 71,919,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,441,615.21 : 120,625,844.67 = 52,134,519.54 : x
  2. Step 2: Convert to fraction form
    87,441,615.21/120,625,844.67 = 52,134,519.54/x
  3. Step 3: Cross multiply
    87,441,615.21x = 120,625,844.67 × 52,134,519.54
  4. Step 4: Simplify right side
    87,441,615.21x = 6,288,770,455,373,990
  5. Step 5: Solve for x
    x = 6,288,770,455,373,990/87,441,615.21
  6. Step 6: Final answer
    x = 71,919,651.08

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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.