Home / 78,796,201.75-108,737,623.33-43,515,499.68

Finding the Fourth Proportional to 78,796,201.75, 108,737,623.33 and 43,515,499.68

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Solution

The fourth proportional to 78,796,201.75, 108,737,623.33 and 43,515,499.68 is: 60,050,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796,201.75 : 108,737,623.33 = 43,515,499.68 : x
  2. Step 2: Convert to fraction form
    78,796,201.75/108,737,623.33 = 43,515,499.68/x
  3. Step 3: Cross multiply
    78,796,201.75x = 108,737,623.33 × 43,515,499.68
  4. Step 4: Simplify right side
    78,796,201.75x = 4,731,772,013,111,787
  5. Step 5: Solve for x
    x = 4,731,772,013,111,787/78,796,201.75
  6. Step 6: Final answer
    x = 60,050,762.70

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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.