Home / 218,222,749.11-327,377,244.88-80,049,639.15

Finding the Fourth Proportional to 218,222,749.11, 327,377,244.88 and 80,049,639.15

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Solution

The fourth proportional to 218,222,749.11, 327,377,244.88 and 80,049,639.15 is: 120,090,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222,749.11 : 327,377,244.88 = 80,049,639.15 : x
  2. Step 2: Convert to fraction form
    218,222,749.11/327,377,244.88 = 80,049,639.15/x
  3. Step 3: Cross multiply
    218,222,749.11x = 327,377,244.88 × 80,049,639.15
  4. Step 4: Simplify right side
    218,222,749.11x = 26,206,430,318,665,252
  5. Step 5: Solve for x
    x = 26,206,430,318,665,252/218,222,749.11
  6. Step 6: Final answer
    x = 120,090,276.68

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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.