Home / 68,505,950.82-102,753,758.34-21,817,549.74

Finding the Fourth Proportional to 68,505,950.82, 102,753,758.34 and 21,817,549.74

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Solution

The fourth proportional to 68,505,950.82, 102,753,758.34 and 21,817,549.74 is: 32,724,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,505,950.82 : 102,753,758.34 = 21,817,549.74 : x
  2. Step 2: Convert to fraction form
    68,505,950.82/102,753,758.34 = 21,817,549.74/x
  3. Step 3: Cross multiply
    68,505,950.82x = 102,753,758.34 × 21,817,549.74
  4. Step 4: Simplify right side
    68,505,950.82x = 2,241,835,233,554,889.75
  5. Step 5: Solve for x
    x = 2,241,835,233,554,889.75/68,505,950.82
  6. Step 6: Final answer
    x = 32,724,678.76

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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.