Home / 82,572,067.80-123,776,289.08-38,774,424.24

Finding the Fourth Proportional to 82,572,067.80, 123,776,289.08 and 38,774,424.24

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Solution

The fourth proportional to 82,572,067.80, 123,776,289.08 and 38,774,424.24 is: 58,123,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,572,067.80 : 123,776,289.08 = 38,774,424.24 : x
  2. Step 2: Convert to fraction form
    82,572,067.80/123,776,289.08 = 38,774,424.24/x
  3. Step 3: Cross multiply
    82,572,067.80x = 123,776,289.08 × 38,774,424.24
  4. Step 4: Simplify right side
    82,572,067.80x = 4,799,354,343,640,799
  5. Step 5: Solve for x
    x = 4,799,354,343,640,799/82,572,067.80
  6. Step 6: Final answer
    x = 58,123,218.56

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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.