Home / 198,944,219.80-298,416,329.70-118,123,586.20

Finding the Fourth Proportional to 198,944,219.80, 298,416,329.70 and 118,123,586.20

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Solution

The fourth proportional to 198,944,219.80, 298,416,329.70 and 118,123,586.20 is: 177,185,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,944,219.80 : 298,416,329.70 = 118,123,586.20 : x
  2. Step 2: Convert to fraction form
    198,944,219.80/298,416,329.70 = 118,123,586.20/x
  3. Step 3: Cross multiply
    198,944,219.80x = 298,416,329.70 × 118,123,586.20
  4. Step 4: Simplify right side
    198,944,219.80x = 35,250,007,044,805,568
  5. Step 5: Solve for x
    x = 35,250,007,044,805,568/198,944,219.80
  6. Step 6: Final answer
    x = 177,185,379.30

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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.