Home / 199,588,809.30-299,383,213.95-196,901,423.70

Finding the Fourth Proportional to 199,588,809.30, 299,383,213.95 and 196,901,423.70

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Solution

The fourth proportional to 199,588,809.30, 299,383,213.95 and 196,901,423.70 is: 295,352,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,809.30 : 299,383,213.95 = 196,901,423.70 : x
  2. Step 2: Convert to fraction form
    199,588,809.30/299,383,213.95 = 196,901,423.70/x
  3. Step 3: Cross multiply
    199,588,809.30x = 299,383,213.95 × 196,901,423.70
  4. Step 4: Simplify right side
    199,588,809.30x = 58,948,981,058,636,696
  5. Step 5: Solve for x
    x = 58,948,981,058,636,696/199,588,809.30
  6. Step 6: Final answer
    x = 295,352,135.55

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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.