Home / 110,664,758.80-165,997,138.20-72,444,163.60

Finding the Fourth Proportional to 110,664,758.80, 165,997,138.20 and 72,444,163.60

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Solution

The fourth proportional to 110,664,758.80, 165,997,138.20 and 72,444,163.60 is: 108,666,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,758.80 : 165,997,138.20 = 72,444,163.60 : x
  2. Step 2: Convert to fraction form
    110,664,758.80/165,997,138.20 = 72,444,163.60/x
  3. Step 3: Cross multiply
    110,664,758.80x = 165,997,138.20 × 72,444,163.60
  4. Step 4: Simplify right side
    110,664,758.80x = 12,025,523,836,892,608
  5. Step 5: Solve for x
    x = 12,025,523,836,892,608/110,664,758.80
  6. Step 6: Final answer
    x = 108,666,245.40

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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.