Home / 78,414,486.48-117,629,105.94-23,082,357.78

Finding the Fourth Proportional to 78,414,486.48, 117,629,105.94 and 23,082,357.78

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Solution

The fourth proportional to 78,414,486.48, 117,629,105.94 and 23,082,357.78 is: 34,625,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,414,486.48 : 117,629,105.94 = 23,082,357.78 : x
  2. Step 2: Convert to fraction form
    78,414,486.48/117,629,105.94 = 23,082,357.78/x
  3. Step 3: Cross multiply
    78,414,486.48x = 117,629,105.94 × 23,082,357.78
  4. Step 4: Simplify right side
    78,414,486.48x = 2,715,157,108,648,603.50
  5. Step 5: Solve for x
    x = 2,715,157,108,648,603.50/78,414,486.48
  6. Step 6: Final answer
    x = 34,625,707.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.