Home / 198,915,630.85-298,373,446.28-166,630,590.10

Finding the Fourth Proportional to 198,915,630.85, 298,373,446.28 and 166,630,590.10

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Solution

The fourth proportional to 198,915,630.85, 298,373,446.28 and 166,630,590.10 is: 249,945,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,630.85 : 298,373,446.28 = 166,630,590.10 : x
  2. Step 2: Convert to fraction form
    198,915,630.85/298,373,446.28 = 166,630,590.10/x
  3. Step 3: Cross multiply
    198,915,630.85x = 298,373,446.28 × 166,630,590.10
  4. Step 4: Simplify right side
    198,915,630.85x = 49,718,143,422,973,888
  5. Step 5: Solve for x
    x = 49,718,143,422,973,888/198,915,630.85
  6. Step 6: Final answer
    x = 249,945,885.15

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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.