Home / 198,285,705.70-273,520,306.59-123,816,994.29

Finding the Fourth Proportional to 198,285,705.70, 273,520,306.59 and 123,816,994.29

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Solution

The fourth proportional to 198,285,705.70, 273,520,306.59 and 123,816,994.29 is: 170,796,286.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,285,705.70 : 273,520,306.59 = 123,816,994.29 : x
  2. Step 2: Convert to fraction form
    198,285,705.70/273,520,306.59 = 123,816,994.29/x
  3. Step 3: Cross multiply
    198,285,705.70x = 273,520,306.59 × 123,816,994.29
  4. Step 4: Simplify right side
    198,285,705.70x = 33,866,462,239,601,932
  5. Step 5: Solve for x
    x = 33,866,462,239,601,932/198,285,705.70
  6. Step 6: Final answer
    x = 170,796,286.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.