Home / 138,425,414.10-207,638,121.15-131,706,950.10

Finding the Fourth Proportional to 138,425,414.10, 207,638,121.15 and 131,706,950.10

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Solution

The fourth proportional to 138,425,414.10, 207,638,121.15 and 131,706,950.10 is: 197,560,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,425,414.10 : 207,638,121.15 = 131,706,950.10 : x
  2. Step 2: Convert to fraction form
    138,425,414.10/207,638,121.15 = 131,706,950.10/x
  3. Step 3: Cross multiply
    138,425,414.10x = 207,638,121.15 × 131,706,950.10
  4. Step 4: Simplify right side
    138,425,414.10x = 27,347,383,661,160,804
  5. Step 5: Solve for x
    x = 27,347,383,661,160,804/138,425,414.10
  6. Step 6: Final answer
    x = 197,560,425.15

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1.5x scale

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.