Home / 198,486,277.49-297,535,016.23-111,090,472.13

Finding the Fourth Proportional to 198,486,277.49, 297,535,016.23 and 111,090,472.13

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Solution

The fourth proportional to 198,486,277.49, 297,535,016.23 and 111,090,472.13 is: 166,526,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,486,277.49 : 297,535,016.23 = 111,090,472.13 : x
  2. Step 2: Convert to fraction form
    198,486,277.49/297,535,016.23 = 111,090,472.13/x
  3. Step 3: Cross multiply
    198,486,277.49x = 297,535,016.23 × 111,090,472.13
  4. Step 4: Simplify right side
    198,486,277.49x = 33,053,305,428,197,912
  5. Step 5: Solve for x
    x = 33,053,305,428,197,912/198,486,277.49
  6. Step 6: Final answer
    x = 166,526,904.76

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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.