Home / 66,644,815.03-99,971,608.79-17,461,872.61

Finding the Fourth Proportional to 66,644,815.03, 99,971,608.79 and 17,461,872.61

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Solution

The fourth proportional to 66,644,815.03, 99,971,608.79 and 17,461,872.61 is: 26,193,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644,815.03 : 99,971,608.79 = 17,461,872.61 : x
  2. Step 2: Convert to fraction form
    66,644,815.03/99,971,608.79 = 17,461,872.61/x
  3. Step 3: Cross multiply
    66,644,815.03x = 99,971,608.79 × 17,461,872.61
  4. Step 4: Simplify right side
    66,644,815.03x = 1,745,691,497,101,462.25
  5. Step 5: Solve for x
    x = 1,745,691,497,101,462.25/66,644,815.03
  6. Step 6: Final answer
    x = 26,193,958.17

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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.