Home / 165,042,274.51-227,763,799.41-90,705,469.96

Finding the Fourth Proportional to 165,042,274.51, 227,763,799.41 and 90,705,469.96

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Solution

The fourth proportional to 165,042,274.51, 227,763,799.41 and 90,705,469.96 is: 125,176,549.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042,274.51 : 227,763,799.41 = 90,705,469.96 : x
  2. Step 2: Convert to fraction form
    165,042,274.51/227,763,799.41 = 90,705,469.96/x
  3. Step 3: Cross multiply
    165,042,274.51x = 227,763,799.41 × 90,705,469.96
  4. Step 4: Simplify right side
    165,042,274.51x = 20,659,422,465,359,220
  5. Step 5: Solve for x
    x = 20,659,422,465,359,220/165,042,274.51
  6. Step 6: Final answer
    x = 125,176,549.62

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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.