Home / 218,794,299.11-328,192,004.52-89,401,909.40

Finding the Fourth Proportional to 218,794,299.11, 328,192,004.52 and 89,401,909.40

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Solution

The fourth proportional to 218,794,299.11, 328,192,004.52 and 89,401,909.40 is: 134,103,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,794,299.11 : 328,192,004.52 = 89,401,909.40 : x
  2. Step 2: Convert to fraction form
    218,794,299.11/328,192,004.52 = 89,401,909.40/x
  3. Step 3: Cross multiply
    218,794,299.11x = 328,192,004.52 × 89,401,909.40
  4. Step 4: Simplify right side
    218,794,299.11x = 29,340,991,852,260,468
  5. Step 5: Solve for x
    x = 29,340,991,852,260,468/218,794,299.11
  6. Step 6: Final answer
    x = 134,103,091.22

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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.