Home / 49,467,736.40-74,166,175.20-20,699,063.60

Finding the Fourth Proportional to 49,467,736.40, 74,166,175.20 and 20,699,063.60

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Solution

The fourth proportional to 49,467,736.40, 74,166,175.20 and 20,699,063.60 is: 31,033,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467,736.40 : 74,166,175.20 = 20,699,063.60 : x
  2. Step 2: Convert to fraction form
    49,467,736.40/74,166,175.20 = 20,699,063.60/x
  3. Step 3: Cross multiply
    49,467,736.40x = 74,166,175.20 × 20,699,063.60
  4. Step 4: Simplify right side
    49,467,736.40x = 1,535,170,377,433,543
  5. Step 5: Solve for x
    x = 1,535,170,377,433,543/49,467,736.40
  6. Step 6: Final answer
    x = 31,033,770.48

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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.