Home / 52,408,021.20-78,682,890.60-33,276,145.20

Finding the Fourth Proportional to 52,408,021.20, 78,682,890.60 and 33,276,145.20

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Solution

The fourth proportional to 52,408,021.20, 78,682,890.60 and 33,276,145.20 is: 49,959,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408,021.20 : 78,682,890.60 = 33,276,145.20 : x
  2. Step 2: Convert to fraction form
    52,408,021.20/78,682,890.60 = 33,276,145.20/x
  3. Step 3: Cross multiply
    52,408,021.20x = 78,682,890.60 × 33,276,145.20
  4. Step 4: Simplify right side
    52,408,021.20x = 2,618,263,292,361,315
  5. Step 5: Solve for x
    x = 2,618,263,292,361,315/52,408,021.20
  6. Step 6: Final answer
    x = 49,959,209.15

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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.