Home / 165,042,291.51-227,763,822.87-90,705,487.05

Finding the Fourth Proportional to 165,042,291.51, 227,763,822.87 and 90,705,487.05

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Solution

The fourth proportional to 165,042,291.51, 227,763,822.87 and 90,705,487.05 is: 125,176,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,042,291.51 : 227,763,822.87 = 90,705,487.05 : x
  2. Step 2: Convert to fraction form
    165,042,291.51/227,763,822.87 = 90,705,487.05/x
  3. Step 3: Cross multiply
    165,042,291.51x = 227,763,822.87 × 90,705,487.05
  4. Step 4: Simplify right side
    165,042,291.51x = 20,659,428,485,793,280
  5. Step 5: Solve for x
    x = 20,659,428,485,793,280/165,042,291.51
  6. Step 6: Final answer
    x = 125,176,573.21

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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.