Home / 51,568,421.82-71,165,768.18-28,364,157.69

Finding the Fourth Proportional to 51,568,421.82, 71,165,768.18 and 28,364,157.69

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Solution

The fourth proportional to 51,568,421.82, 71,165,768.18 and 28,364,157.69 is: 39,143,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,568,421.82 : 71,165,768.18 = 28,364,157.69 : x
  2. Step 2: Convert to fraction form
    51,568,421.82/71,165,768.18 = 28,364,157.69/x
  3. Step 3: Cross multiply
    51,568,421.82x = 71,165,768.18 × 28,364,157.69
  4. Step 4: Simplify right side
    51,568,421.82x = 2,018,557,070,645,683.50
  5. Step 5: Solve for x
    x = 2,018,557,070,645,683.50/51,568,421.82
  6. Step 6: Final answer
    x = 39,143,277.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.