Home / 274,561,996.35-378,918,921.92-155,505,766.35

Finding the Fourth Proportional to 274,561,996.35, 378,918,921.92 and 155,505,766.35

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Solution

The fourth proportional to 274,561,996.35, 378,918,921.92 and 155,505,766.35 is: 214,611,192.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,996.35 : 378,918,921.92 = 155,505,766.35 : x
  2. Step 2: Convert to fraction form
    274,561,996.35/378,918,921.92 = 155,505,766.35/x
  3. Step 3: Cross multiply
    274,561,996.35x = 378,918,921.92 × 155,505,766.35
  4. Step 4: Simplify right side
    274,561,996.35x = 58,924,077,336,907,888
  5. Step 5: Solve for x
    x = 58,924,077,336,907,888/274,561,996.35
  6. Step 6: Final answer
    x = 214,611,192.08

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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.