Home / 198,915,616.60-298,373,424.90-166,630,575.85

Finding the Fourth Proportional to 198,915,616.60, 298,373,424.90 and 166,630,575.85

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Solution

The fourth proportional to 198,915,616.60, 298,373,424.90 and 166,630,575.85 is: 249,945,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,616.60 : 298,373,424.90 = 166,630,575.85 : x
  2. Step 2: Convert to fraction form
    198,915,616.60/298,373,424.90 = 166,630,575.85/x
  3. Step 3: Cross multiply
    198,915,616.60x = 298,373,424.90 × 166,630,575.85
  4. Step 4: Simplify right side
    198,915,616.60x = 49,718,135,609,423,720
  5. Step 5: Solve for x
    x = 49,718,135,609,423,720/198,915,616.60
  6. Step 6: Final answer
    x = 249,945,863.78

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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.