Home / 218,861,918.60-328,383,309.90-95,976,650.12

Finding the Fourth Proportional to 218,861,918.60, 328,383,309.90 and 95,976,650.12

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Solution

The fourth proportional to 218,861,918.60, 328,383,309.90 and 95,976,650.12 is: 144,004,631.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,861,918.60 : 328,383,309.90 = 95,976,650.12 : x
  2. Step 2: Convert to fraction form
    218,861,918.60/328,383,309.90 = 95,976,650.12/x
  3. Step 3: Cross multiply
    218,861,918.60x = 328,383,309.90 × 95,976,650.12
  4. Step 4: Simplify right side
    218,861,918.60x = 31,517,130,039,519,832
  5. Step 5: Solve for x
    x = 31,517,130,039,519,832/218,861,918.60
  6. Step 6: Final answer
    x = 144,004,631.97

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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.