Home / 198,288,002.80-297,432,004.20-152,938,370.80

Finding the Fourth Proportional to 198,288,002.80, 297,432,004.20 and 152,938,370.80

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Solution

The fourth proportional to 198,288,002.80, 297,432,004.20 and 152,938,370.80 is: 229,407,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,288,002.80 : 297,432,004.20 = 152,938,370.80 : x
  2. Step 2: Convert to fraction form
    198,288,002.80/297,432,004.20 = 152,938,370.80/x
  3. Step 3: Cross multiply
    198,288,002.80x = 297,432,004.20 × 152,938,370.80
  4. Step 4: Simplify right side
    198,288,002.80x = 45,488,766,146,126,760
  5. Step 5: Solve for x
    x = 45,488,766,146,126,760/198,288,002.80
  6. Step 6: Final answer
    x = 229,407,556.20

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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.