Home / 217,088,096.80-325,632,145.20-131,091,757.60

Finding the Fourth Proportional to 217,088,096.80, 325,632,145.20 and 131,091,757.60

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Solution

The fourth proportional to 217,088,096.80, 325,632,145.20 and 131,091,757.60 is: 196,637,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,088,096.80 : 325,632,145.20 = 131,091,757.60 : x
  2. Step 2: Convert to fraction form
    217,088,096.80/325,632,145.20 = 131,091,757.60/x
  3. Step 3: Cross multiply
    217,088,096.80x = 325,632,145.20 × 131,091,757.60
  4. Step 4: Simplify right side
    217,088,096.80x = 42,687,690,245,326,400
  5. Step 5: Solve for x
    x = 42,687,690,245,326,400/217,088,096.80
  6. Step 6: Final answer
    x = 196,637,636.40

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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.