Home / 45,597,251.58-68,385,619.96-20,981,561.93

Finding the Fourth Proportional to 45,597,251.58, 68,385,619.96 and 20,981,561.93

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Solution

The fourth proportional to 45,597,251.58, 68,385,619.96 and 20,981,561.93 is: 31,467,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597,251.58 : 68,385,619.96 = 20,981,561.93 : x
  2. Step 2: Convert to fraction form
    45,597,251.58/68,385,619.96 = 20,981,561.93/x
  3. Step 3: Cross multiply
    45,597,251.58x = 68,385,619.96 × 20,981,561.93
  4. Step 4: Simplify right side
    45,597,251.58x = 1,434,837,120,292,269.75
  5. Step 5: Solve for x
    x = 1,434,837,120,292,269.75/45,597,251.58
  6. Step 6: Final answer
    x = 31,467,622.95

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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.