Home / 218,452,383.30-327,804,546.15-82,235,525.70

Finding the Fourth Proportional to 218,452,383.30, 327,804,546.15 and 82,235,525.70

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Solution

The fourth proportional to 218,452,383.30, 327,804,546.15 and 82,235,525.70 is: 123,400,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,452,383.30 : 327,804,546.15 = 82,235,525.70 : x
  2. Step 2: Convert to fraction form
    218,452,383.30/327,804,546.15 = 82,235,525.70/x
  3. Step 3: Cross multiply
    218,452,383.30x = 327,804,546.15 × 82,235,525.70
  4. Step 4: Simplify right side
    218,452,383.30x = 26,957,179,179,495,160
  5. Step 5: Solve for x
    x = 26,957,179,179,495,160/218,452,383.30
  6. Step 6: Final answer
    x = 123,400,709.90

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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.