Home / 85,115,599.78-127,691,333.06-27,603,386.44

Finding the Fourth Proportional to 85,115,599.78, 127,691,333.06 and 27,603,386.44

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Solution

The fourth proportional to 85,115,599.78, 127,691,333.06 and 27,603,386.44 is: 41,410,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,599.78 : 127,691,333.06 = 27,603,386.44 : x
  2. Step 2: Convert to fraction form
    85,115,599.78/127,691,333.06 = 27,603,386.44/x
  3. Step 3: Cross multiply
    85,115,599.78x = 127,691,333.06 × 27,603,386.44
  4. Step 4: Simplify right side
    85,115,599.78x = 3,524,713,211,493,928
  5. Step 5: Solve for x
    x = 3,524,713,211,493,928/85,115,599.78
  6. Step 6: Final answer
    x = 41,410,895.54

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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.