Home / 218,403,693.28-327,651,609.76-70,839,793.92

Finding the Fourth Proportional to 218,403,693.28, 327,651,609.76 and 70,839,793.92

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Solution

The fourth proportional to 218,403,693.28, 327,651,609.76 and 70,839,793.92 is: 106,274,633.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,403,693.28 : 327,651,609.76 = 70,839,793.92 : x
  2. Step 2: Convert to fraction form
    218,403,693.28/327,651,609.76 = 70,839,793.92/x
  3. Step 3: Cross multiply
    218,403,693.28x = 327,651,609.76 × 70,839,793.92
  4. Step 4: Simplify right side
    218,403,693.28x = 23,210,772,512,954,660
  5. Step 5: Solve for x
    x = 23,210,772,512,954,660/218,403,693.28
  6. Step 6: Final answer
    x = 106,274,633.75

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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.