Home / 165,042,272.50-227,763,796.66-90,705,467.96

Finding the Fourth Proportional to 165,042,272.50, 227,763,796.66 and 90,705,467.96

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Solution

The fourth proportional to 165,042,272.50, 227,763,796.66 and 90,705,467.96 is: 125,176,546.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042,272.50 : 227,763,796.66 = 90,705,467.96 : x
  2. Step 2: Convert to fraction form
    165,042,272.50/227,763,796.66 = 90,705,467.96/x
  3. Step 3: Cross multiply
    165,042,272.50x = 227,763,796.66 × 90,705,467.96
  4. Step 4: Simplify right side
    165,042,272.50x = 20,659,421,760,391,584
  5. Step 5: Solve for x
    x = 20,659,421,760,391,584/165,042,272.50
  6. Step 6: Final answer
    x = 125,176,546.88

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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.