Home / 207,168,002.20-310,752,003.30-130,577,512.60

Finding the Fourth Proportional to 207,168,002.20, 310,752,003.30 and 130,577,512.60

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Solution

The fourth proportional to 207,168,002.20, 310,752,003.30 and 130,577,512.60 is: 195,866,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168,002.20 : 310,752,003.30 = 130,577,512.60 : x
  2. Step 2: Convert to fraction form
    207,168,002.20/310,752,003.30 = 130,577,512.60/x
  3. Step 3: Cross multiply
    207,168,002.20x = 310,752,003.30 × 130,577,512.60
  4. Step 4: Simplify right side
    207,168,002.20x = 40,577,223,626,380,992
  5. Step 5: Solve for x
    x = 40,577,223,626,380,992/207,168,002.20
  6. Step 6: Final answer
    x = 195,866,268.90

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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.