Home / 68,505,949.32-102,753,756.09-21,817,548.24

Finding the Fourth Proportional to 68,505,949.32, 102,753,756.09 and 21,817,548.24

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Solution

The fourth proportional to 68,505,949.32, 102,753,756.09 and 21,817,548.24 is: 32,724,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,505,949.32 : 102,753,756.09 = 21,817,548.24 : x
  2. Step 2: Convert to fraction form
    68,505,949.32/102,753,756.09 = 21,817,548.24/x
  3. Step 3: Cross multiply
    68,505,949.32x = 102,753,756.09 × 21,817,548.24
  4. Step 4: Simplify right side
    68,505,949.32x = 2,241,835,030,334,768.75
  5. Step 5: Solve for x
    x = 2,241,835,030,334,768.75/68,505,949.32
  6. Step 6: Final answer
    x = 32,724,676.51

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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.