Home / 87,418,279.26-120,634,065.36-48,259,216.85

Finding the Fourth Proportional to 87,418,279.26, 120,634,065.36 and 48,259,216.85

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Solution

The fourth proportional to 87,418,279.26, 120,634,065.36 and 48,259,216.85 is: 66,595,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418,279.26 : 120,634,065.36 = 48,259,216.85 : x
  2. Step 2: Convert to fraction form
    87,418,279.26/120,634,065.36 = 48,259,216.85/x
  3. Step 3: Cross multiply
    87,418,279.26x = 120,634,065.36 × 48,259,216.85
  4. Step 4: Simplify right side
    87,418,279.26x = 5,821,705,519,102,143
  5. Step 5: Solve for x
    x = 5,821,705,519,102,143/87,418,279.26
  6. Step 6: Final answer
    x = 66,595,974.76

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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.