Home / 218,044,745.37-327,028,284.14-86,876,027.78

Finding the Fourth Proportional to 218,044,745.37, 327,028,284.14 and 86,876,027.78

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Solution

The fourth proportional to 218,044,745.37, 327,028,284.14 and 86,876,027.78 is: 130,298,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,044,745.37 : 327,028,284.14 = 86,876,027.78 : x
  2. Step 2: Convert to fraction form
    218,044,745.37/327,028,284.14 = 86,876,027.78/x
  3. Step 3: Cross multiply
    218,044,745.37x = 327,028,284.14 × 86,876,027.78
  4. Step 4: Simplify right side
    218,044,745.37x = 28,410,918,295,722,852
  5. Step 5: Solve for x
    x = 28,410,918,295,722,852/218,044,745.37
  6. Step 6: Final answer
    x = 130,298,568.98

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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.