Home / 199,292,177.92-275,023,376.72-111,186,189.28

Finding the Fourth Proportional to 199,292,177.92, 275,023,376.72 and 111,186,189.28

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Solution

The fourth proportional to 199,292,177.92, 275,023,376.72 and 111,186,189.28 is: 153,437,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,292,177.92 : 275,023,376.72 = 111,186,189.28 : x
  2. Step 2: Convert to fraction form
    199,292,177.92/275,023,376.72 = 111,186,189.28/x
  3. Step 3: Cross multiply
    199,292,177.92x = 275,023,376.72 × 111,186,189.28
  4. Step 4: Simplify right side
    199,292,177.92x = 30,578,801,220,414,668
  5. Step 5: Solve for x
    x = 30,578,801,220,414,668/199,292,177.92
  6. Step 6: Final answer
    x = 153,437,036.71

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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.