Home / 120,384,782.48-166,141,245.81-68,183,104.52

Finding the Fourth Proportional to 120,384,782.48, 166,141,245.81 and 68,183,104.52

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Solution

The fourth proportional to 120,384,782.48, 166,141,245.81 and 68,183,104.52 is: 94,098,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,782.48 : 166,141,245.81 = 68,183,104.52 : x
  2. Step 2: Convert to fraction form
    120,384,782.48/166,141,245.81 = 68,183,104.52/x
  3. Step 3: Cross multiply
    120,384,782.48x = 166,141,245.81 × 68,183,104.52
  4. Step 4: Simplify right side
    120,384,782.48x = 11,328,025,926,974,620
  5. Step 5: Solve for x
    x = 11,328,025,926,974,620/120,384,782.48
  6. Step 6: Final answer
    x = 94,098,487.32

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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.