Home / 168,806,067.21-253,173,671.40-47,609,175.69

Finding the Fourth Proportional to 168,806,067.21, 253,173,671.40 and 47,609,175.69

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Solution

The fourth proportional to 168,806,067.21, 253,173,671.40 and 47,609,175.69 is: 71,403,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806,067.21 : 253,173,671.40 = 47,609,175.69 : x
  2. Step 2: Convert to fraction form
    168,806,067.21/253,173,671.40 = 47,609,175.69/x
  3. Step 3: Cross multiply
    168,806,067.21x = 253,173,671.40 × 47,609,175.69
  4. Step 4: Simplify right side
    168,806,067.21x = 12,053,389,801,764,928
  5. Step 5: Solve for x
    x = 12,053,389,801,764,928/168,806,067.21
  6. Step 6: Final answer
    x = 71,403,771.21

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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.