Home / 66,728,048.20-100,092,072.30-41,085,910.60

Finding the Fourth Proportional to 66,728,048.20, 100,092,072.30 and 41,085,910.60

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Solution

The fourth proportional to 66,728,048.20, 100,092,072.30 and 41,085,910.60 is: 61,628,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,728,048.20 : 100,092,072.30 = 41,085,910.60 : x
  2. Step 2: Convert to fraction form
    66,728,048.20/100,092,072.30 = 41,085,910.60/x
  3. Step 3: Cross multiply
    66,728,048.20x = 100,092,072.30 × 41,085,910.60
  4. Step 4: Simplify right side
    66,728,048.20x = 4,112,373,934,286,536.50
  5. Step 5: Solve for x
    x = 4,112,373,934,286,536.50/66,728,048.20
  6. Step 6: Final answer
    x = 61,628,865.90

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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.