Home / 227,086,072.57-313,378,917.44-122,664,190.03

Finding the Fourth Proportional to 227,086,072.57, 313,378,917.44 and 122,664,190.03

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Solution

The fourth proportional to 227,086,072.57, 313,378,917.44 and 122,664,190.03 is: 169,276,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,086,072.57 : 313,378,917.44 = 122,664,190.03 : x
  2. Step 2: Convert to fraction form
    227,086,072.57/313,378,917.44 = 122,664,190.03/x
  3. Step 3: Cross multiply
    227,086,072.57x = 313,378,917.44 × 122,664,190.03
  4. Step 4: Simplify right side
    227,086,072.57x = 38,440,371,080,255,840
  5. Step 5: Solve for x
    x = 38,440,371,080,255,840/227,086,072.57
  6. Step 6: Final answer
    x = 169,276,656.40

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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.