Home / 198,944,218.80-298,416,328.20-118,123,585.20

Finding the Fourth Proportional to 198,944,218.80, 298,416,328.20 and 118,123,585.20

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Solution

The fourth proportional to 198,944,218.80, 298,416,328.20 and 118,123,585.20 is: 177,185,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,944,218.80 : 298,416,328.20 = 118,123,585.20 : x
  2. Step 2: Convert to fraction form
    198,944,218.80/298,416,328.20 = 118,123,585.20/x
  3. Step 3: Cross multiply
    198,944,218.80x = 298,416,328.20 × 118,123,585.20
  4. Step 4: Simplify right side
    198,944,218.80x = 35,250,006,569,203,864
  5. Step 5: Solve for x
    x = 35,250,006,569,203,864/198,944,218.80
  6. Step 6: Final answer
    x = 177,185,377.80

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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.