Home / 148,584,653.62-222,876,683.43-39,420,766.78

Finding the Fourth Proportional to 148,584,653.62, 222,876,683.43 and 39,420,766.78

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Solution

The fourth proportional to 148,584,653.62, 222,876,683.43 and 39,420,766.78 is: 59,131,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584,653.62 : 222,876,683.43 = 39,420,766.78 : x
  2. Step 2: Convert to fraction form
    148,584,653.62/222,876,683.43 = 39,420,766.78/x
  3. Step 3: Cross multiply
    148,584,653.62x = 222,876,683.43 × 39,420,766.78
  4. Step 4: Simplify right side
    148,584,653.62x = 8,785,969,758,193,921
  5. Step 5: Solve for x
    x = 8,785,969,758,193,921/148,584,653.62
  6. Step 6: Final answer
    x = 59,131,071.37

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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.