Home / 68,405,287.72-94,397,490.30-39,036,093.88

Finding the Fourth Proportional to 68,405,287.72, 94,397,490.30 and 39,036,093.88

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Solution

The fourth proportional to 68,405,287.72, 94,397,490.30 and 39,036,093.88 is: 53,868,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,405,287.72 : 94,397,490.30 = 39,036,093.88 : x
  2. Step 2: Convert to fraction form
    68,405,287.72/94,397,490.30 = 39,036,093.88/x
  3. Step 3: Cross multiply
    68,405,287.72x = 94,397,490.30 × 39,036,093.88
  4. Step 4: Simplify right side
    68,405,287.72x = 3,684,909,293,387,189.50
  5. Step 5: Solve for x
    x = 3,684,909,293,387,189.50/68,405,287.72
  6. Step 6: Final answer
    x = 53,868,778.51

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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.