Home / 49,410,786.60-74,145,296.70-20,654,706.60

Finding the Fourth Proportional to 49,410,786.60, 74,145,296.70 and 20,654,706.60

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Solution

The fourth proportional to 49,410,786.60, 74,145,296.70 and 20,654,706.60 is: 30,994,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410,786.60 : 74,145,296.70 = 20,654,706.60 : x
  2. Step 2: Convert to fraction form
    49,410,786.60/74,145,296.70 = 20,654,706.60/x
  3. Step 3: Cross multiply
    49,410,786.60x = 74,145,296.70 × 20,654,706.60
  4. Step 4: Simplify right side
    49,410,786.60x = 1,531,449,349,108,448.50
  5. Step 5: Solve for x
    x = 1,531,449,349,108,448.50/49,410,786.60
  6. Step 6: Final answer
    x = 30,994,231.31

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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.