Home / 218,794,299.86-328,192,005.65-89,401,910.15

Finding the Fourth Proportional to 218,794,299.86, 328,192,005.65 and 89,401,910.15

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Solution

The fourth proportional to 218,794,299.86, 328,192,005.65 and 89,401,910.15 is: 134,103,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794,299.86 : 328,192,005.65 = 89,401,910.15 : x
  2. Step 2: Convert to fraction form
    218,794,299.86/328,192,005.65 = 89,401,910.15/x
  3. Step 3: Cross multiply
    218,794,299.86x = 328,192,005.65 × 89,401,910.15
  4. Step 4: Simplify right side
    218,794,299.86x = 29,340,992,198,981,620
  5. Step 5: Solve for x
    x = 29,340,992,198,981,620/218,794,299.86
  6. Step 6: Final answer
    x = 134,103,092.35

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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.