Home / 281,956,542.91-422,934,232.82-159,079,079.79

Finding the Fourth Proportional to 281,956,542.91, 422,934,232.82 and 159,079,079.79

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Solution

The fourth proportional to 281,956,542.91, 422,934,232.82 and 159,079,079.79 is: 238,618,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,956,542.91 : 422,934,232.82 = 159,079,079.79 : x
  2. Step 2: Convert to fraction form
    281,956,542.91/422,934,232.82 = 159,079,079.79/x
  3. Step 3: Cross multiply
    281,956,542.91x = 422,934,232.82 × 159,079,079.79
  4. Step 4: Simplify right side
    281,956,542.91x = 67,279,988,567,899,816
  5. Step 5: Solve for x
    x = 67,279,988,567,899,816/281,956,542.91
  6. Step 6: Final answer
    x = 238,618,291.58

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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.