Home / 120,760,892.20-181,141,338.30-39,981,860.20

Finding the Fourth Proportional to 120,760,892.20, 181,141,338.30 and 39,981,860.20

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Solution

The fourth proportional to 120,760,892.20, 181,141,338.30 and 39,981,860.20 is: 59,972,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,760,892.20 : 181,141,338.30 = 39,981,860.20 : x
  2. Step 2: Convert to fraction form
    120,760,892.20/181,141,338.30 = 39,981,860.20/x
  3. Step 3: Cross multiply
    120,760,892.20x = 181,141,338.30 × 39,981,860.20
  4. Step 4: Simplify right side
    120,760,892.20x = 7,242,367,664,351,507
  5. Step 5: Solve for x
    x = 7,242,367,664,351,507/120,760,892.20
  6. Step 6: Final answer
    x = 59,972,790.30

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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.