Home / 213,309,420,937.08-319,740,152,937.75-71,769,703,761.33

Finding the Fourth Proportional to 213,309,420,937.08, 319,740,152,937.75 and 71,769,703,761.33

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Solution

The fourth proportional to 213,309,420,937.08, 319,740,152,937.75 and 71,769,703,761.33 is: 107,579,196,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,309,420,937.08 : 319,740,152,937.75 = 71,769,703,761.33 : x
  2. Step 2: Convert to fraction form
    213,309,420,937.08/319,740,152,937.75 = 71,769,703,761.33/x
  3. Step 3: Cross multiply
    213,309,420,937.08x = 319,740,152,937.75 × 71,769,703,761.33
  4. Step 4: Simplify right side
    213,309,420,937.08x = 22,947,656,056,944,667,394,048
  5. Step 5: Solve for x
    x = 22,947,656,056,944,667,394,048/213,309,420,937.08
  6. Step 6: Final answer
    x = 107,579,196,249.91

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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.