Home / 165,902,405.80-248,853,608.70-149,778,092.20

Finding the Fourth Proportional to 165,902,405.80, 248,853,608.70 and 149,778,092.20

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Solution

The fourth proportional to 165,902,405.80, 248,853,608.70 and 149,778,092.20 is: 224,667,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,902,405.80 : 248,853,608.70 = 149,778,092.20 : x
  2. Step 2: Convert to fraction form
    165,902,405.80/248,853,608.70 = 149,778,092.20/x
  3. Step 3: Cross multiply
    165,902,405.80x = 248,853,608.70 × 149,778,092.20
  4. Step 4: Simplify right side
    165,902,405.80x = 37,272,818,748,171,320
  5. Step 5: Solve for x
    x = 37,272,818,748,171,320/165,902,405.80
  6. Step 6: Final answer
    x = 224,667,138.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.