Home / 165,042,275-227,763,800.10-90,705,470.48

Finding the Fourth Proportional to 165,042,275, 227,763,800.10 and 90,705,470.48

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Solution

The fourth proportional to 165,042,275, 227,763,800.10 and 90,705,470.48 is: 125,176,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042,275 : 227,763,800.10 = 90,705,470.48 : x
  2. Step 2: Convert to fraction form
    165,042,275/227,763,800.10 = 90,705,470.48/x
  3. Step 3: Cross multiply
    165,042,275x = 227,763,800.10 × 90,705,470.48
  4. Step 4: Simplify right side
    165,042,275x = 20,659,422,646,383,172
  5. Step 5: Solve for x
    x = 20,659,422,646,383,172/165,042,275
  6. Step 6: Final answer
    x = 125,176,550.35

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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.