Home / 206,899,286.46-310,372,943.76-68,737,223.58

Finding the Fourth Proportional to 206,899,286.46, 310,372,943.76 and 68,737,223.58

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Solution

The fourth proportional to 206,899,286.46, 310,372,943.76 and 68,737,223.58 is: 103,113,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,899,286.46 : 310,372,943.76 = 68,737,223.58 : x
  2. Step 2: Convert to fraction form
    206,899,286.46/310,372,943.76 = 68,737,223.58/x
  3. Step 3: Cross multiply
    206,899,286.46x = 310,372,943.76 × 68,737,223.58
  4. Step 4: Simplify right side
    206,899,286.46x = 21,334,174,428,413,884
  5. Step 5: Solve for x
    x = 21,334,174,428,413,884/206,899,286.46
  6. Step 6: Final answer
    x = 103,113,813.46

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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.