Home / 79,115,940.70-118,673,911.05-48,504,939.10

Finding the Fourth Proportional to 79,115,940.70, 118,673,911.05 and 48,504,939.10

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Solution

The fourth proportional to 79,115,940.70, 118,673,911.05 and 48,504,939.10 is: 72,757,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115,940.70 : 118,673,911.05 = 48,504,939.10 : x
  2. Step 2: Convert to fraction form
    79,115,940.70/118,673,911.05 = 48,504,939.10/x
  3. Step 3: Cross multiply
    79,115,940.70x = 118,673,911.05 × 48,504,939.10
  4. Step 4: Simplify right side
    79,115,940.70x = 5,756,270,828,239,067
  5. Step 5: Solve for x
    x = 5,756,270,828,239,067/79,115,940.70
  6. Step 6: Final answer
    x = 72,757,408.65

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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.