Home / 52,150,469.20-78,169,716.60-19,789,867.60

Finding the Fourth Proportional to 52,150,469.20, 78,169,716.60 and 19,789,867.60

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Solution

The fourth proportional to 52,150,469.20, 78,169,716.60 and 19,789,867.60 is: 29,663,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,150,469.20 : 78,169,716.60 = 19,789,867.60 : x
  2. Step 2: Convert to fraction form
    52,150,469.20/78,169,716.60 = 19,789,867.60/x
  3. Step 3: Cross multiply
    52,150,469.20x = 78,169,716.60 × 19,789,867.60
  4. Step 4: Simplify right side
    52,150,469.20x = 1,546,968,341,843,522.25
  5. Step 5: Solve for x
    x = 1,546,968,341,843,522.25/52,150,469.20
  6. Step 6: Final answer
    x = 29,663,555.58

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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.