Home / 116,855,795.25-161,265,745.67-64,643,930.73

Finding the Fourth Proportional to 116,855,795.25, 161,265,745.67 and 64,643,930.73

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Solution

The fourth proportional to 116,855,795.25, 161,265,745.67 and 64,643,930.73 is: 89,211,251.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,855,795.25 : 161,265,745.67 = 64,643,930.73 : x
  2. Step 2: Convert to fraction form
    116,855,795.25/161,265,745.67 = 64,643,930.73/x
  3. Step 3: Cross multiply
    116,855,795.25x = 161,265,745.67 × 64,643,930.73
  4. Step 4: Simplify right side
    116,855,795.25x = 10,424,851,691,890,056
  5. Step 5: Solve for x
    x = 10,424,851,691,890,056/116,855,795.25
  6. Step 6: Final answer
    x = 89,211,251.09

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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.