Home / 132,786,412.40-199,179,618.60-131,936,106.80

Finding the Fourth Proportional to 132,786,412.40, 199,179,618.60 and 131,936,106.80

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Solution

The fourth proportional to 132,786,412.40, 199,179,618.60 and 131,936,106.80 is: 197,904,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786,412.40 : 199,179,618.60 = 131,936,106.80 : x
  2. Step 2: Convert to fraction form
    132,786,412.40/199,179,618.60 = 131,936,106.80/x
  3. Step 3: Cross multiply
    132,786,412.40x = 199,179,618.60 × 131,936,106.80
  4. Step 4: Simplify right side
    132,786,412.40x = 26,278,983,431,992,864
  5. Step 5: Solve for x
    x = 26,278,983,431,992,864/132,786,412.40
  6. Step 6: Final answer
    x = 197,904,160.20

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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.