Home / 199,589,022.40-299,383,533.60-122,998,532.80

Finding the Fourth Proportional to 199,589,022.40, 299,383,533.60 and 122,998,532.80

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Solution

The fourth proportional to 199,589,022.40, 299,383,533.60 and 122,998,532.80 is: 184,497,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,022.40 : 299,383,533.60 = 122,998,532.80 : x
  2. Step 2: Convert to fraction form
    199,589,022.40/299,383,533.60 = 122,998,532.80/x
  3. Step 3: Cross multiply
    199,589,022.40x = 299,383,533.60 × 122,998,532.80
  4. Step 4: Simplify right side
    199,589,022.40x = 36,823,735,377,279,504
  5. Step 5: Solve for x
    x = 36,823,735,377,279,504/199,589,022.40
  6. Step 6: Final answer
    x = 184,497,799.20

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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.