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Finding the Fourth Proportional to 68,692,293.82, 94,796,471.91 and 39,323,508.22

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Solution

The fourth proportional to 68,692,293.82, 94,796,471.91 and 39,323,508.22 is: 54,267,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692,293.82 : 94,796,471.91 = 39,323,508.22 : x
  2. Step 2: Convert to fraction form
    68,692,293.82/94,796,471.91 = 39,323,508.22/x
  3. Step 3: Cross multiply
    68,692,293.82x = 94,796,471.91 × 39,323,508.22
  4. Step 4: Simplify right side
    68,692,293.82x = 3,727,729,842,379,884
  5. Step 5: Solve for x
    x = 3,727,729,842,379,884/68,692,293.82
  6. Step 6: Final answer
    x = 54,267,074.73

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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.