Home / 166,449,231.78-229,700,317.77-92,115,201.30

Finding the Fourth Proportional to 166,449,231.78, 229,700,317.77 and 92,115,201.30

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Solution

The fourth proportional to 166,449,231.78, 229,700,317.77 and 92,115,201.30 is: 127,119,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,449,231.78 : 229,700,317.77 = 92,115,201.30 : x
  2. Step 2: Convert to fraction form
    166,449,231.78/229,700,317.77 = 92,115,201.30/x
  3. Step 3: Cross multiply
    166,449,231.78x = 229,700,317.77 × 92,115,201.30
  4. Step 4: Simplify right side
    166,449,231.78x = 21,158,891,010,057,516
  5. Step 5: Solve for x
    x = 21,158,891,010,057,516/166,449,231.78
  6. Step 6: Final answer
    x = 127,119,186.94

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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.