Home / 198,720,748.70-298,081,123.05-62,419,910.30

Finding the Fourth Proportional to 198,720,748.70, 298,081,123.05 and 62,419,910.30

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Solution

The fourth proportional to 198,720,748.70, 298,081,123.05 and 62,419,910.30 is: 93,629,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,720,748.70 : 298,081,123.05 = 62,419,910.30 : x
  2. Step 2: Convert to fraction form
    198,720,748.70/298,081,123.05 = 62,419,910.30/x
  3. Step 3: Cross multiply
    198,720,748.70x = 298,081,123.05 × 62,419,910.30
  4. Step 4: Simplify right side
    198,720,748.70x = 18,606,196,962,904,264
  5. Step 5: Solve for x
    x = 18,606,196,962,904,264/198,720,748.70
  6. Step 6: Final answer
    x = 93,629,865.45

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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.