Home / 198,993,705.90-298,207,123.65-146,770,770.30

Finding the Fourth Proportional to 198,993,705.90, 298,207,123.65 and 146,770,770.30

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Solution

The fourth proportional to 198,993,705.90, 298,207,123.65 and 146,770,770.30 is: 219,947,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,993,705.90 : 298,207,123.65 = 146,770,770.30 : x
  2. Step 2: Convert to fraction form
    198,993,705.90/298,207,123.65 = 146,770,770.30/x
  3. Step 3: Cross multiply
    198,993,705.90x = 298,207,123.65 × 146,770,770.30
  4. Step 4: Simplify right side
    198,993,705.90x = 43,768,089,247,057,848
  5. Step 5: Solve for x
    x = 43,768,089,247,057,848/198,993,705.90
  6. Step 6: Final answer
    x = 219,947,103.60

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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.