Home / 49,410,785.60-74,145,295.20-20,654,705.60

Finding the Fourth Proportional to 49,410,785.60, 74,145,295.20 and 20,654,705.60

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Solution

The fourth proportional to 49,410,785.60, 74,145,295.20 and 20,654,705.60 is: 30,994,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410,785.60 : 74,145,295.20 = 20,654,705.60 : x
  2. Step 2: Convert to fraction form
    49,410,785.60/74,145,295.20 = 20,654,705.60/x
  3. Step 3: Cross multiply
    49,410,785.60x = 74,145,295.20 × 20,654,705.60
  4. Step 4: Simplify right side
    49,410,785.60x = 1,531,449,243,981,093.25
  5. Step 5: Solve for x
    x = 1,531,449,243,981,093.25/49,410,785.60
  6. Step 6: Final answer
    x = 30,994,229.81

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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.