Home / 232,560,644.37-320,832,846.64-138,422,005.75

Finding the Fourth Proportional to 232,560,644.37, 320,832,846.64 and 138,422,005.75

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Solution

The fourth proportional to 232,560,644.37, 320,832,846.64 and 138,422,005.75 is: 190,962,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,560,644.37 : 320,832,846.64 = 138,422,005.75 : x
  2. Step 2: Convert to fraction form
    232,560,644.37/320,832,846.64 = 138,422,005.75/x
  3. Step 3: Cross multiply
    232,560,644.37x = 320,832,846.64 × 138,422,005.75
  4. Step 4: Simplify right side
    232,560,644.37x = 44,410,326,142,965,016
  5. Step 5: Solve for x
    x = 44,410,326,142,965,016/232,560,644.37
  6. Step 6: Final answer
    x = 190,962,345.60

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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.