Home / 85,536,383.20-128,257,335.60-27,999,037.60

Finding the Fourth Proportional to 85,536,383.20, 128,257,335.60 and 27,999,037.60

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Solution

The fourth proportional to 85,536,383.20, 128,257,335.60 and 27,999,037.60 is: 41,983,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,383.20 : 128,257,335.60 = 27,999,037.60 : x
  2. Step 2: Convert to fraction form
    85,536,383.20/128,257,335.60 = 27,999,037.60/x
  3. Step 3: Cross multiply
    85,536,383.20x = 128,257,335.60 × 27,999,037.60
  4. Step 4: Simplify right side
    85,536,383.20x = 3,591,081,961,940,218.50
  5. Step 5: Solve for x
    x = 3,591,081,961,940,218.50/85,536,383.20
  6. Step 6: Final answer
    x = 41,983,093.36

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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.