Home / 141,542,723.20-195,322,675.20-78,822,056.48

Finding the Fourth Proportional to 141,542,723.20, 195,322,675.20 and 78,822,056.48

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Solution

The fourth proportional to 141,542,723.20, 195,322,675.20 and 78,822,056.48 is: 108,770,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,542,723.20 : 195,322,675.20 = 78,822,056.48 : x
  2. Step 2: Convert to fraction form
    141,542,723.20/195,322,675.20 = 78,822,056.48/x
  3. Step 3: Cross multiply
    141,542,723.20x = 195,322,675.20 × 78,822,056.48
  4. Step 4: Simplify right side
    141,542,723.20x = 15,395,734,936,439,096
  5. Step 5: Solve for x
    x = 15,395,734,936,439,096/141,542,723.20
  6. Step 6: Final answer
    x = 108,770,939.18

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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.