Home / 206,784,010.80-310,176,016.20-168,520,258.80

Finding the Fourth Proportional to 206,784,010.80, 310,176,016.20 and 168,520,258.80

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Solution

The fourth proportional to 206,784,010.80, 310,176,016.20 and 168,520,258.80 is: 252,780,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,784,010.80 : 310,176,016.20 = 168,520,258.80 : x
  2. Step 2: Convert to fraction form
    206,784,010.80/310,176,016.20 = 168,520,258.80/x
  3. Step 3: Cross multiply
    206,784,010.80x = 310,176,016.20 × 168,520,258.80
  4. Step 4: Simplify right side
    206,784,010.80x = 52,270,942,523,576,992
  5. Step 5: Solve for x
    x = 52,270,942,523,576,992/206,784,010.80
  6. Step 6: Final answer
    x = 252,780,388.20

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1.5x scale

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.