Home / 87,644,546.78-120,927,744.52-56,667,441.38

Finding the Fourth Proportional to 87,644,546.78, 120,927,744.52 and 56,667,441.38

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Solution

The fourth proportional to 87,644,546.78, 120,927,744.52 and 56,667,441.38 is: 78,187,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,644,546.78 : 120,927,744.52 = 56,667,441.38 : x
  2. Step 2: Convert to fraction form
    87,644,546.78/120,927,744.52 = 56,667,441.38/x
  3. Step 3: Cross multiply
    87,644,546.78x = 120,927,744.52 × 56,667,441.38
  4. Step 4: Simplify right side
    87,644,546.78x = 6,852,665,873,056,409
  5. Step 5: Solve for x
    x = 6,852,665,873,056,409/87,644,546.78
  6. Step 6: Final answer
    x = 78,187,019.33

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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.