Home / 165,770,676.80-248,656,015.20-129,490,971.20

Finding the Fourth Proportional to 165,770,676.80, 248,656,015.20 and 129,490,971.20

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Solution

The fourth proportional to 165,770,676.80, 248,656,015.20 and 129,490,971.20 is: 194,236,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,770,676.80 : 248,656,015.20 = 129,490,971.20 : x
  2. Step 2: Convert to fraction form
    165,770,676.80/248,656,015.20 = 129,490,971.20/x
  3. Step 3: Cross multiply
    165,770,676.80x = 248,656,015.20 × 129,490,971.20
  4. Step 4: Simplify right side
    165,770,676.80x = 32,198,708,902,969,960
  5. Step 5: Solve for x
    x = 32,198,708,902,969,960/165,770,676.80
  6. Step 6: Final answer
    x = 194,236,456.80

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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.