Home / 218,581,625.70-327,873,847.83-87,434,857.39

Finding the Fourth Proportional to 218,581,625.70, 327,873,847.83 and 87,434,857.39

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Solution

The fourth proportional to 218,581,625.70, 327,873,847.83 and 87,434,857.39 is: 131,152,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,581,625.70 : 327,873,847.83 = 87,434,857.39 : x
  2. Step 2: Convert to fraction form
    218,581,625.70/327,873,847.83 = 87,434,857.39/x
  3. Step 3: Cross multiply
    218,581,625.70x = 327,873,847.83 × 87,434,857.39
  4. Step 4: Simplify right side
    218,581,625.70x = 28,667,603,126,926,608
  5. Step 5: Solve for x
    x = 28,667,603,126,926,608/218,581,625.70
  6. Step 6: Final answer
    x = 131,152,849.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.