Home / 198,391,186.80-297,586,780.20-101,314,630.80

Finding the Fourth Proportional to 198,391,186.80, 297,586,780.20 and 101,314,630.80

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Solution

The fourth proportional to 198,391,186.80, 297,586,780.20 and 101,314,630.80 is: 151,971,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,391,186.80 : 297,586,780.20 = 101,314,630.80 : x
  2. Step 2: Convert to fraction form
    198,391,186.80/297,586,780.20 = 101,314,630.80/x
  3. Step 3: Cross multiply
    198,391,186.80x = 297,586,780.20 × 101,314,630.80
  4. Step 4: Simplify right side
    198,391,186.80x = 30,149,894,766,923,748
  5. Step 5: Solve for x
    x = 30,149,894,766,923,748/198,391,186.80
  6. Step 6: Final answer
    x = 151,971,946.20

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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.