Home / 259,166,701,122.25-388,325,531,049.03-138,026,640,020.63

Finding the Fourth Proportional to 259,166,701,122.25, 388,325,531,049.03 and 138,026,640,020.63

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Solution

The fourth proportional to 259,166,701,122.25, 388,325,531,049.03 and 138,026,640,020.63 is: 206,813,869,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,166,701,122.25 : 388,325,531,049.03 = 138,026,640,020.63 : x
  2. Step 2: Convert to fraction form
    259,166,701,122.25/388,325,531,049.03 = 138,026,640,020.63/x
  3. Step 3: Cross multiply
    259,166,701,122.25x = 388,325,531,049.03 × 138,026,640,020.63
  4. Step 4: Simplify right side
    259,166,701,122.25x = 53,599,268,284,924,449,259,520
  5. Step 5: Solve for x
    x = 53,599,268,284,924,449,259,520/259,166,701,122.25
  6. Step 6: Final answer
    x = 206,813,869,423.92

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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.