Home / 165,501,984.60-248,364,951.30-74,578,771.80

Finding the Fourth Proportional to 165,501,984.60, 248,364,951.30 and 74,578,771.80

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Solution

The fourth proportional to 165,501,984.60, 248,364,951.30 and 74,578,771.80 is: 111,918,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501,984.60 : 248,364,951.30 = 74,578,771.80 : x
  2. Step 2: Convert to fraction form
    165,501,984.60/248,364,951.30 = 74,578,771.80/x
  3. Step 3: Cross multiply
    165,501,984.60x = 248,364,951.30 × 74,578,771.80
  4. Step 4: Simplify right side
    165,501,984.60x = 18,522,753,026,120,812
  5. Step 5: Solve for x
    x = 18,522,753,026,120,812/165,501,984.60
  6. Step 6: Final answer
    x = 111,918,615.79

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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.