Home / 165,061,813.24-227,787,669.48-90,729,255.34

Finding the Fourth Proportional to 165,061,813.24, 227,787,669.48 and 90,729,255.34

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Solution

The fourth proportional to 165,061,813.24, 227,787,669.48 and 90,729,255.34 is: 125,207,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,061,813.24 : 227,787,669.48 = 90,729,255.34 : x
  2. Step 2: Convert to fraction form
    165,061,813.24/227,787,669.48 = 90,729,255.34/x
  3. Step 3: Cross multiply
    165,061,813.24x = 227,787,669.48 × 90,729,255.34
  4. Step 4: Simplify right side
    165,061,813.24x = 20,667,005,627,554,444
  5. Step 5: Solve for x
    x = 20,667,005,627,554,444/165,061,813.24
  6. Step 6: Final answer
    x = 125,207,673.55

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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.