Home / 205,597,348.80-308,396,023.20-196,527,422.40

Finding the Fourth Proportional to 205,597,348.80, 308,396,023.20 and 196,527,422.40

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Solution

The fourth proportional to 205,597,348.80, 308,396,023.20 and 196,527,422.40 is: 294,791,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,597,348.80 : 308,396,023.20 = 196,527,422.40 : x
  2. Step 2: Convert to fraction form
    205,597,348.80/308,396,023.20 = 196,527,422.40/x
  3. Step 3: Cross multiply
    205,597,348.80x = 308,396,023.20 × 196,527,422.40
  4. Step 4: Simplify right side
    205,597,348.80x = 60,608,275,517,906,600
  5. Step 5: Solve for x
    x = 60,608,275,517,906,600/205,597,348.80
  6. Step 6: Final answer
    x = 294,791,133.60

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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.