Home / 137,521,576.40-206,259,940.89-40,454,583.05

Finding the Fourth Proportional to 137,521,576.40, 206,259,940.89 and 40,454,583.05

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Solution

The fourth proportional to 137,521,576.40, 206,259,940.89 and 40,454,583.05 is: 60,675,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,521,576.40 : 206,259,940.89 = 40,454,583.05 : x
  2. Step 2: Convert to fraction form
    137,521,576.40/206,259,940.89 = 40,454,583.05/x
  3. Step 3: Cross multiply
    137,521,576.40x = 206,259,940.89 × 40,454,583.05
  4. Step 4: Simplify right side
    137,521,576.40x = 8,344,159,907,591,296
  5. Step 5: Solve for x
    x = 8,344,159,907,591,296/137,521,576.40
  6. Step 6: Final answer
    x = 60,675,278.21

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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.