Home / 165,469,620.20-248,204,430.30-83,840,282.60

Finding the Fourth Proportional to 165,469,620.20, 248,204,430.30 and 83,840,282.60

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Solution

The fourth proportional to 165,469,620.20, 248,204,430.30 and 83,840,282.60 is: 125,760,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,469,620.20 : 248,204,430.30 = 83,840,282.60 : x
  2. Step 2: Convert to fraction form
    165,469,620.20/248,204,430.30 = 83,840,282.60/x
  3. Step 3: Cross multiply
    165,469,620.20x = 248,204,430.30 × 83,840,282.60
  4. Step 4: Simplify right side
    165,469,620.20x = 20,809,529,578,924,004
  5. Step 5: Solve for x
    x = 20,809,529,578,924,004/165,469,620.20
  6. Step 6: Final answer
    x = 125,760,423.90

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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.