Home / 126,070,458.40-188,928,540.60-100,206,996.40

Finding the Fourth Proportional to 126,070,458.40, 188,928,540.60 and 100,206,996.40

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Solution

The fourth proportional to 126,070,458.40, 188,928,540.60 and 100,206,996.40 is: 150,169,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070,458.40 : 188,928,540.60 = 100,206,996.40 : x
  2. Step 2: Convert to fraction form
    126,070,458.40/188,928,540.60 = 100,206,996.40/x
  3. Step 3: Cross multiply
    126,070,458.40x = 188,928,540.60 × 100,206,996.40
  4. Step 4: Simplify right side
    126,070,458.40x = 18,931,961,587,761,456
  5. Step 5: Solve for x
    x = 18,931,961,587,761,456/126,070,458.40
  6. Step 6: Final answer
    x = 150,169,689.46

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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.