Home / 78,379,683.39-117,503,759.19-34,653,382.20

Finding the Fourth Proportional to 78,379,683.39, 117,503,759.19 and 34,653,382.20

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Solution

The fourth proportional to 78,379,683.39, 117,503,759.19 and 34,653,382.20 is: 51,950,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,379,683.39 : 117,503,759.19 = 34,653,382.20 : x
  2. Step 2: Convert to fraction form
    78,379,683.39/117,503,759.19 = 34,653,382.20/x
  3. Step 3: Cross multiply
    78,379,683.39x = 117,503,759.19 × 34,653,382.20
  4. Step 4: Simplify right side
    78,379,683.39x = 4,071,902,677,147,832.50
  5. Step 5: Solve for x
    x = 4,071,902,677,147,832.50/78,379,683.39
  6. Step 6: Final answer
    x = 51,950,996.75

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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.