Home / 139,352,702.22-192,307,476.24-76,632,843.78

Finding the Fourth Proportional to 139,352,702.22, 192,307,476.24 and 76,632,843.78

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Solution

The fourth proportional to 139,352,702.22, 192,307,476.24 and 76,632,843.78 is: 105,753,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,352,702.22 : 192,307,476.24 = 76,632,843.78 : x
  2. Step 2: Convert to fraction form
    139,352,702.22/192,307,476.24 = 76,632,843.78/x
  3. Step 3: Cross multiply
    139,352,702.22x = 192,307,476.24 × 76,632,843.78
  4. Step 4: Simplify right side
    139,352,702.22x = 14,737,068,784,425,982
  5. Step 5: Solve for x
    x = 14,737,068,784,425,982/139,352,702.22
  6. Step 6: Final answer
    x = 105,753,735.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.