Home / 218,452,370.80-327,804,527.40-82,235,513.20

Finding the Fourth Proportional to 218,452,370.80, 327,804,527.40 and 82,235,513.20

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Solution

The fourth proportional to 218,452,370.80, 327,804,527.40 and 82,235,513.20 is: 123,400,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,452,370.80 : 327,804,527.40 = 82,235,513.20 : x
  2. Step 2: Convert to fraction form
    218,452,370.80/327,804,527.40 = 82,235,513.20/x
  3. Step 3: Cross multiply
    218,452,370.80x = 327,804,527.40 × 82,235,513.20
  4. Step 4: Simplify right side
    218,452,370.80x = 26,957,173,540,022,460
  5. Step 5: Solve for x
    x = 26,957,173,540,022,460/218,452,370.80
  6. Step 6: Final answer
    x = 123,400,691.15

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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.