Home / 87,406,375.48-120,620,118.30-48,248,164.72

Finding the Fourth Proportional to 87,406,375.48, 120,620,118.30 and 48,248,164.72

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Solution

The fourth proportional to 87,406,375.48, 120,620,118.30 and 48,248,164.72 is: 66,582,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406,375.48 : 120,620,118.30 = 48,248,164.72 : x
  2. Step 2: Convert to fraction form
    87,406,375.48/120,620,118.30 = 48,248,164.72/x
  3. Step 3: Cross multiply
    87,406,375.48x = 120,620,118.30 × 48,248,164.72
  4. Step 4: Simplify right side
    87,406,375.48x = 5,819,699,336,284,286
  5. Step 5: Solve for x
    x = 5,819,699,336,284,286/87,406,375.48
  6. Step 6: Final answer
    x = 66,582,092.03

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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.