Home / 198,492,279.82-297,752,640.49-52,925,078.68

Finding the Fourth Proportional to 198,492,279.82, 297,752,640.49 and 52,925,078.68

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Solution

The fourth proportional to 198,492,279.82, 297,752,640.49 and 52,925,078.68 is: 79,391,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,492,279.82 : 297,752,640.49 = 52,925,078.68 : x
  2. Step 2: Convert to fraction form
    198,492,279.82/297,752,640.49 = 52,925,078.68/x
  3. Step 3: Cross multiply
    198,492,279.82x = 297,752,640.49 × 52,925,078.68
  4. Step 4: Simplify right side
    198,492,279.82x = 15,758,581,924,432,778
  5. Step 5: Solve for x
    x = 15,758,581,924,432,778/198,492,279.82
  6. Step 6: Final answer
    x = 79,391,409.78

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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.