Home / 87,418,308.39-120,634,105.57-48,259,245.97

Finding the Fourth Proportional to 87,418,308.39, 120,634,105.57 and 48,259,245.97

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Solution

The fourth proportional to 87,418,308.39, 120,634,105.57 and 48,259,245.97 is: 66,596,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418,308.39 : 120,634,105.57 = 48,259,245.97 : x
  2. Step 2: Convert to fraction form
    87,418,308.39/120,634,105.57 = 48,259,245.97/x
  3. Step 3: Cross multiply
    87,418,308.39x = 120,634,105.57 × 48,259,245.97
  4. Step 4: Simplify right side
    87,418,308.39x = 5,821,710,973,073,577
  5. Step 5: Solve for x
    x = 5,821,710,973,073,577/87,418,308.39
  6. Step 6: Final answer
    x = 66,596,014.96

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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.