Home / 66,661,364.26-99,981,942.44-18,142,998.89

Finding the Fourth Proportional to 66,661,364.26, 99,981,942.44 and 18,142,998.89

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Solution

The fourth proportional to 66,661,364.26, 99,981,942.44 and 18,142,998.89 is: 27,211,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,661,364.26 : 99,981,942.44 = 18,142,998.89 : x
  2. Step 2: Convert to fraction form
    66,661,364.26/99,981,942.44 = 18,142,998.89/x
  3. Step 3: Cross multiply
    66,661,364.26x = 99,981,942.44 × 18,142,998.89
  4. Step 4: Simplify right side
    66,661,364.26x = 1,813,972,270,833,828
  5. Step 5: Solve for x
    x = 1,813,972,270,833,828/66,661,364.26
  6. Step 6: Final answer
    x = 27,211,748.38

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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.