Home / 57,494,209.96-86,238,448.32-21,099,736.96

Finding the Fourth Proportional to 57,494,209.96, 86,238,448.32 and 21,099,736.96

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Solution

The fourth proportional to 57,494,209.96, 86,238,448.32 and 21,099,736.96 is: 31,648,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,494,209.96 : 86,238,448.32 = 21,099,736.96 : x
  2. Step 2: Convert to fraction form
    57,494,209.96/86,238,448.32 = 21,099,736.96/x
  3. Step 3: Cross multiply
    57,494,209.96x = 86,238,448.32 × 21,099,736.96
  4. Step 4: Simplify right side
    57,494,209.96x = 1,819,608,575,390,553.75
  5. Step 5: Solve for x
    x = 1,819,608,575,390,553.75/57,494,209.96
  6. Step 6: Final answer
    x = 31,648,553.42

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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.