Home / 87,726,424.82-121,062,022.16-48,033,234.33

Finding the Fourth Proportional to 87,726,424.82, 121,062,022.16 and 48,033,234.33

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Solution

The fourth proportional to 87,726,424.82, 121,062,022.16 and 48,033,234.33 is: 66,285,620.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,726,424.82 : 121,062,022.16 = 48,033,234.33 : x
  2. Step 2: Convert to fraction form
    87,726,424.82/121,062,022.16 = 48,033,234.33/x
  3. Step 3: Cross multiply
    87,726,424.82x = 121,062,022.16 × 48,033,234.33
  4. Step 4: Simplify right side
    87,726,424.82x = 5,815,000,478,634,766
  5. Step 5: Solve for x
    x = 5,815,000,478,634,766/87,726,424.82
  6. Step 6: Final answer
    x = 66,285,620.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.