Home / 199,486,918.60-299,419,334.70-122,959,414.60

Finding the Fourth Proportional to 199,486,918.60, 299,419,334.70 and 122,959,414.60

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Solution

The fourth proportional to 199,486,918.60, 299,419,334.70 and 122,959,414.60 is: 184,555,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,486,918.60 : 299,419,334.70 = 122,959,414.60 : x
  2. Step 2: Convert to fraction form
    199,486,918.60/299,419,334.70 = 122,959,414.60/x
  3. Step 3: Cross multiply
    199,486,918.60x = 299,419,334.70 × 122,959,414.60
  4. Step 4: Simplify right side
    199,486,918.60x = 36,816,426,114,633,464
  5. Step 5: Solve for x
    x = 36,816,426,114,633,464/199,486,918.60
  6. Step 6: Final answer
    x = 184,555,590.78

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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.