Home / 198,180,000.80-297,270,001.20-180,323,583.20

Finding the Fourth Proportional to 198,180,000.80, 297,270,001.20 and 180,323,583.20

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Solution

The fourth proportional to 198,180,000.80, 297,270,001.20 and 180,323,583.20 is: 270,485,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180,000.80 : 297,270,001.20 = 180,323,583.20 : x
  2. Step 2: Convert to fraction form
    198,180,000.80/297,270,001.20 = 180,323,583.20/x
  3. Step 3: Cross multiply
    198,180,000.80x = 297,270,001.20 × 180,323,583.20
  4. Step 4: Simplify right side
    198,180,000.80x = 53,604,791,794,252,296
  5. Step 5: Solve for x
    x = 53,604,791,794,252,296/198,180,000.80
  6. Step 6: Final answer
    x = 270,485,374.80

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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.