Home / 196,396,517.97-294,575,648.20-79,818,863.67

Finding the Fourth Proportional to 196,396,517.97, 294,575,648.20 and 79,818,863.67

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Solution

The fourth proportional to 196,396,517.97, 294,575,648.20 and 79,818,863.67 is: 119,720,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,396,517.97 : 294,575,648.20 = 79,818,863.67 : x
  2. Step 2: Convert to fraction form
    196,396,517.97/294,575,648.20 = 79,818,863.67/x
  3. Step 3: Cross multiply
    196,396,517.97x = 294,575,648.20 × 79,818,863.67
  4. Step 4: Simplify right side
    196,396,517.97x = 23,512,693,503,978,132
  5. Step 5: Solve for x
    x = 23,512,693,503,978,132/196,396,517.97
  6. Step 6: Final answer
    x = 119,720,521.25

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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.