Home / 299,040,105.20-448,077,268.20-169,261,775.60

Finding the Fourth Proportional to 299,040,105.20, 448,077,268.20 and 169,261,775.60

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Solution

The fourth proportional to 299,040,105.20, 448,077,268.20 and 169,261,775.60 is: 253,619,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,040,105.20 : 448,077,268.20 = 169,261,775.60 : x
  2. Step 2: Convert to fraction form
    299,040,105.20/448,077,268.20 = 169,261,775.60/x
  3. Step 3: Cross multiply
    299,040,105.20x = 448,077,268.20 × 169,261,775.60
  4. Step 4: Simplify right side
    299,040,105.20x = 75,842,354,021,529,408
  5. Step 5: Solve for x
    x = 75,842,354,021,529,408/299,040,105.20
  6. Step 6: Final answer
    x = 253,619,339.69

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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.