Home / 198,285,707.45-273,520,309.01-123,816,996.04

Finding the Fourth Proportional to 198,285,707.45, 273,520,309.01 and 123,816,996.04

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Solution

The fourth proportional to 198,285,707.45, 273,520,309.01 and 123,816,996.04 is: 170,796,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,285,707.45 : 273,520,309.01 = 123,816,996.04 : x
  2. Step 2: Convert to fraction form
    198,285,707.45/273,520,309.01 = 123,816,996.04/x
  3. Step 3: Cross multiply
    198,285,707.45x = 273,520,309.01 × 123,816,996.04
  4. Step 4: Simplify right side
    198,285,707.45x = 33,866,463,016,931,664
  5. Step 5: Solve for x
    x = 33,866,463,016,931,664/198,285,707.45
  6. Step 6: Final answer
    x = 170,796,289.11

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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.