Home / 199,609,819.20-298,826,863.20-148,717,454.40

Finding the Fourth Proportional to 199,609,819.20, 298,826,863.20 and 148,717,454.40

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Solution

The fourth proportional to 199,609,819.20, 298,826,863.20 and 148,717,454.40 is: 222,638,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,609,819.20 : 298,826,863.20 = 148,717,454.40 : x
  2. Step 2: Convert to fraction form
    199,609,819.20/298,826,863.20 = 148,717,454.40/x
  3. Step 3: Cross multiply
    199,609,819.20x = 298,826,863.20 × 148,717,454.40
  4. Step 4: Simplify right side
    199,609,819.20x = 44,440,770,401,441,040
  5. Step 5: Solve for x
    x = 44,440,770,401,441,040/199,609,819.20
  6. Step 6: Final answer
    x = 222,638,197.76

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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.