Home / 87,436,110.94-120,662,416.44-47,743,917.30

Finding the Fourth Proportional to 87,436,110.94, 120,662,416.44 and 47,743,917.30

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Solution

The fourth proportional to 87,436,110.94, 120,662,416.44 and 47,743,917.30 is: 65,886,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,436,110.94 : 120,662,416.44 = 47,743,917.30 : x
  2. Step 2: Convert to fraction form
    87,436,110.94/120,662,416.44 = 47,743,917.30/x
  3. Step 3: Cross multiply
    87,436,110.94x = 120,662,416.44 × 47,743,917.30
  4. Step 4: Simplify right side
    87,436,110.94x = 5,760,896,431,729,520
  5. Step 5: Solve for x
    x = 5,760,896,431,729,520/87,436,110.94
  6. Step 6: Final answer
    x = 65,886,924.41

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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.