Home / 199,691,503.11-275,568,988.11-111,586,224.78

Finding the Fourth Proportional to 199,691,503.11, 275,568,988.11 and 111,586,224.78

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Solution

The fourth proportional to 199,691,503.11, 275,568,988.11 and 111,586,224.78 is: 153,986,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,691,503.11 : 275,568,988.11 = 111,586,224.78 : x
  2. Step 2: Convert to fraction form
    199,691,503.11/275,568,988.11 = 111,586,224.78/x
  3. Step 3: Cross multiply
    199,691,503.11x = 275,568,988.11 × 111,586,224.78
  4. Step 4: Simplify right side
    199,691,503.11x = 30,749,703,049,639,608
  5. Step 5: Solve for x
    x = 30,749,703,049,639,608/199,691,503.11
  6. Step 6: Final answer
    x = 153,986,036.31

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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.