Home / 49,410,793.60-74,145,307.20-20,654,713.60

Finding the Fourth Proportional to 49,410,793.60, 74,145,307.20 and 20,654,713.60

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Solution

The fourth proportional to 49,410,793.60, 74,145,307.20 and 20,654,713.60 is: 30,994,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,410,793.60 : 74,145,307.20 = 20,654,713.60 : x
  2. Step 2: Convert to fraction form
    49,410,793.60/74,145,307.20 = 20,654,713.60/x
  3. Step 3: Cross multiply
    49,410,793.60x = 74,145,307.20 × 20,654,713.60
  4. Step 4: Simplify right side
    49,410,793.60x = 1,531,450,085,000,018
  5. Step 5: Solve for x
    x = 1,531,450,085,000,018/49,410,793.60
  6. Step 6: Final answer
    x = 30,994,241.81

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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.