Home / 138,794,229.40-207,939,401.70-113,096,104.60

Finding the Fourth Proportional to 138,794,229.40, 207,939,401.70 and 113,096,104.60

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Solution

The fourth proportional to 138,794,229.40, 207,939,401.70 and 113,096,104.60 is: 169,438,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,794,229.40 : 207,939,401.70 = 113,096,104.60 : x
  2. Step 2: Convert to fraction form
    138,794,229.40/207,939,401.70 = 113,096,104.60/x
  3. Step 3: Cross multiply
    138,794,229.40x = 207,939,401.70 × 113,096,104.60
  4. Step 4: Simplify right side
    138,794,229.40x = 23,517,136,325,124,616
  5. Step 5: Solve for x
    x = 23,517,136,325,124,616/138,794,229.40
  6. Step 6: Final answer
    x = 169,438,862.31

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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.