Home / 71,562,153.21-107,330,450.49-19,040,126.55

Finding the Fourth Proportional to 71,562,153.21, 107,330,450.49 and 19,040,126.55

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Solution

The fourth proportional to 71,562,153.21, 107,330,450.49 and 19,040,126.55 is: 28,556,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562,153.21 : 107,330,450.49 = 19,040,126.55 : x
  2. Step 2: Convert to fraction form
    71,562,153.21/107,330,450.49 = 19,040,126.55/x
  3. Step 3: Cross multiply
    71,562,153.21x = 107,330,450.49 × 19,040,126.55
  4. Step 4: Simplify right side
    71,562,153.21x = 2,043,585,359,998,109.50
  5. Step 5: Solve for x
    x = 2,043,585,359,998,109.50/71,562,153.21
  6. Step 6: Final answer
    x = 28,556,789.70

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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.