Home / 422,501,531.41-633,305,006.82-142,115,527.71

Finding the Fourth Proportional to 422,501,531.41, 633,305,006.82 and 142,115,527.71

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Solution

The fourth proportional to 422,501,531.41, 633,305,006.82 and 142,115,527.71 is: 213,022,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,501,531.41 : 633,305,006.82 = 142,115,527.71 : x
  2. Step 2: Convert to fraction form
    422,501,531.41/633,305,006.82 = 142,115,527.71/x
  3. Step 3: Cross multiply
    422,501,531.41x = 633,305,006.82 × 142,115,527.71
  4. Step 4: Simplify right side
    422,501,531.41x = 90,002,475,245,609,456
  5. Step 5: Solve for x
    x = 90,002,475,245,609,456/422,501,531.41
  6. Step 6: Final answer
    x = 213,022,837.92

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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.