Home / 216,711,659.20-325,066,587.66-78,504,906.67

Finding the Fourth Proportional to 216,711,659.20, 325,066,587.66 and 78,504,906.67

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Solution

The fourth proportional to 216,711,659.20, 325,066,587.66 and 78,504,906.67 is: 117,757,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,711,659.20 : 325,066,587.66 = 78,504,906.67 : x
  2. Step 2: Convert to fraction form
    216,711,659.20/325,066,587.66 = 78,504,906.67/x
  3. Step 3: Cross multiply
    216,711,659.20x = 325,066,587.66 × 78,504,906.67
  4. Step 4: Simplify right side
    216,711,659.20x = 25,519,322,125,783,676
  5. Step 5: Solve for x
    x = 25,519,322,125,783,676/216,711,659.20
  6. Step 6: Final answer
    x = 117,757,033.56

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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.