Home / 28,733,105.60-43,120,653.60-20,230,049.60

Finding the Fourth Proportional to 28,733,105.60, 43,120,653.60 and 20,230,049.60

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Solution

The fourth proportional to 28,733,105.60, 43,120,653.60 and 20,230,049.60 is: 30,359,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733,105.60 : 43,120,653.60 = 20,230,049.60 : x
  2. Step 2: Convert to fraction form
    28,733,105.60/43,120,653.60 = 20,230,049.60/x
  3. Step 3: Cross multiply
    28,733,105.60x = 43,120,653.60 × 20,230,049.60
  4. Step 4: Simplify right side
    28,733,105.60x = 872,332,961,112,418.62
  5. Step 5: Solve for x
    x = 872,332,961,112,418.62/28,733,105.60
  6. Step 6: Final answer
    x = 30,359,856.44

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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.