Home / 79,180,778,206.70-109,273,399,786.08-49,116,948,260.30

Finding the Fourth Proportional to 79,180,778,206.70, 109,273,399,786.08 and 49,116,948,260.30

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Solution

The fourth proportional to 79,180,778,206.70, 109,273,399,786.08 and 49,116,948,260.30 is: 67,783,823,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,180,778,206.70 : 109,273,399,786.08 = 49,116,948,260.30 : x
  2. Step 2: Convert to fraction form
    79,180,778,206.70/109,273,399,786.08 = 49,116,948,260.30/x
  3. Step 3: Cross multiply
    79,180,778,206.70x = 109,273,399,786.08 × 49,116,948,260.30
  4. Step 4: Simplify right side
    79,180,778,206.70x = 5,367,175,923,519,969,034,240
  5. Step 5: Solve for x
    x = 5,367,175,923,519,969,034,240/79,180,778,206.70
  6. Step 6: Final answer
    x = 67,783,823,865.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.