Home / 165,207,509.92-227,986,480.62-90,873,725.96

Finding the Fourth Proportional to 165,207,509.92, 227,986,480.62 and 90,873,725.96

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Solution

The fourth proportional to 165,207,509.92, 227,986,480.62 and 90,873,725.96 is: 125,405,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,509.92 : 227,986,480.62 = 90,873,725.96 : x
  2. Step 2: Convert to fraction form
    165,207,509.92/227,986,480.62 = 90,873,725.96/x
  3. Step 3: Cross multiply
    165,207,509.92x = 227,986,480.62 × 90,873,725.96
  4. Step 4: Simplify right side
    165,207,509.92x = 20,717,980,962,446,728
  5. Step 5: Solve for x
    x = 20,717,980,962,446,728/165,207,509.92
  6. Step 6: Final answer
    x = 125,405,806.14

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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.