Home / 85,394,453.31-128,099,554.38-27,887,025.87

Finding the Fourth Proportional to 85,394,453.31, 128,099,554.38 and 27,887,025.87

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Solution

The fourth proportional to 85,394,453.31, 128,099,554.38 and 27,887,025.87 is: 41,833,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394,453.31 : 128,099,554.38 = 27,887,025.87 : x
  2. Step 2: Convert to fraction form
    85,394,453.31/128,099,554.38 = 27,887,025.87/x
  3. Step 3: Cross multiply
    85,394,453.31x = 128,099,554.38 × 27,887,025.87
  4. Step 4: Simplify right side
    85,394,453.31x = 3,572,315,586,930,532
  5. Step 5: Solve for x
    x = 3,572,315,586,930,532/85,394,453.31
  6. Step 6: Final answer
    x = 41,833,110.33

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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.