Home / 68,501,786.40-94,441,015.89-54,419,697.45

Finding the Fourth Proportional to 68,501,786.40, 94,441,015.89 and 54,419,697.45

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Solution

The fourth proportional to 68,501,786.40, 94,441,015.89 and 54,419,697.45 is: 75,026,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,501,786.40 : 94,441,015.89 = 54,419,697.45 : x
  2. Step 2: Convert to fraction form
    68,501,786.40/94,441,015.89 = 54,419,697.45/x
  3. Step 3: Cross multiply
    68,501,786.40x = 94,441,015.89 × 54,419,697.45
  4. Step 4: Simplify right side
    68,501,786.40x = 5,139,451,511,604,443
  5. Step 5: Solve for x
    x = 5,139,451,511,604,443/68,501,786.40
  6. Step 6: Final answer
    x = 75,026,532.62

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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.