Home / 87,067,695.82-120,149,812.16-47,375,390.44

Finding the Fourth Proportional to 87,067,695.82, 120,149,812.16 and 47,375,390.44

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Solution

The fourth proportional to 87,067,695.82, 120,149,812.16 and 47,375,390.44 is: 65,376,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,067,695.82 : 120,149,812.16 = 47,375,390.44 : x
  2. Step 2: Convert to fraction form
    87,067,695.82/120,149,812.16 = 47,375,390.44/x
  3. Step 3: Cross multiply
    87,067,695.82x = 120,149,812.16 × 47,375,390.44
  4. Step 4: Simplify right side
    87,067,695.82x = 5,692,144,262,372,659
  5. Step 5: Solve for x
    x = 5,692,144,262,372,659/87,067,695.82
  6. Step 6: Final answer
    x = 65,376,075.58

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1.5x scale

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.