Home / 222,848,652.43-307,540,745.17-123,729,404.72

Finding the Fourth Proportional to 222,848,652.43, 307,540,745.17 and 123,729,404.72

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Solution

The fourth proportional to 222,848,652.43, 307,540,745.17 and 123,729,404.72 is: 170,751,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,848,652.43 : 307,540,745.17 = 123,729,404.72 : x
  2. Step 2: Convert to fraction form
    222,848,652.43/307,540,745.17 = 123,729,404.72/x
  3. Step 3: Cross multiply
    222,848,652.43x = 307,540,745.17 × 123,729,404.72
  4. Step 4: Simplify right side
    222,848,652.43x = 38,051,833,325,876,416
  5. Step 5: Solve for x
    x = 38,051,833,325,876,416/222,848,652.43
  6. Step 6: Final answer
    x = 170,751,911.27

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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.