Home / 82,760,933.80-123,928,824.30-65,613,104.20

Finding the Fourth Proportional to 82,760,933.80, 123,928,824.30 and 65,613,104.20

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Solution

The fourth proportional to 82,760,933.80, 123,928,824.30 and 65,613,104.20 is: 98,251,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,760,933.80 : 123,928,824.30 = 65,613,104.20 : x
  2. Step 2: Convert to fraction form
    82,760,933.80/123,928,824.30 = 65,613,104.20/x
  3. Step 3: Cross multiply
    82,760,933.80x = 123,928,824.30 × 65,613,104.20
  4. Step 4: Simplify right side
    82,760,933.80x = 8,131,354,862,179,392
  5. Step 5: Solve for x
    x = 8,131,354,862,179,392/82,760,933.80
  6. Step 6: Final answer
    x = 98,251,125.12

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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.