Home / 68,002,188.57-93,845,216.79-38,632,987.44

Finding the Fourth Proportional to 68,002,188.57, 93,845,216.79 and 38,632,987.44

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Solution

The fourth proportional to 68,002,188.57, 93,845,216.79 and 38,632,987.44 is: 53,314,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002,188.57 : 93,845,216.79 = 38,632,987.44 : x
  2. Step 2: Convert to fraction form
    68,002,188.57/93,845,216.79 = 38,632,987.44/x
  3. Step 3: Cross multiply
    68,002,188.57x = 93,845,216.79 × 38,632,987.44
  4. Step 4: Simplify right side
    68,002,188.57x = 3,625,521,081,552,147
  5. Step 5: Solve for x
    x = 3,625,521,081,552,147/68,002,188.57
  6. Step 6: Final answer
    x = 53,314,770.57

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Why These Related Problems?

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