Home / 198,285,707.70-273,520,309.35-123,816,996.29

Finding the Fourth Proportional to 198,285,707.70, 273,520,309.35 and 123,816,996.29

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Solution

The fourth proportional to 198,285,707.70, 273,520,309.35 and 123,816,996.29 is: 170,796,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,285,707.70 : 273,520,309.35 = 123,816,996.29 : x
  2. Step 2: Convert to fraction form
    198,285,707.70/273,520,309.35 = 123,816,996.29/x
  3. Step 3: Cross multiply
    198,285,707.70x = 273,520,309.35 × 123,816,996.29
  4. Step 4: Simplify right side
    198,285,707.70x = 33,866,463,128,028,608
  5. Step 5: Solve for x
    x = 33,866,463,128,028,608/198,285,707.70
  6. Step 6: Final answer
    x = 170,796,289.46

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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.