Home / 85,298,059,149.50-117,715,021,794.71-47,236,266,147.16

Finding the Fourth Proportional to 85,298,059,149.50, 117,715,021,794.71 and 47,236,266,147.16

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Solution

The fourth proportional to 85,298,059,149.50, 117,715,021,794.71 and 47,236,266,147.16 is: 65,188,096,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,149.50 : 117,715,021,794.71 = 47,236,266,147.16 : x
  2. Step 2: Convert to fraction form
    85,298,059,149.50/117,715,021,794.71 = 47,236,266,147.16/x
  3. Step 3: Cross multiply
    85,298,059,149.50x = 117,715,021,794.71 × 47,236,266,147.16
  4. Step 4: Simplify right side
    85,298,059,149.50x = 5,560,418,099,013,662,801,920
  5. Step 5: Solve for x
    x = 5,560,418,099,013,662,801,920/85,298,059,149.50
  6. Step 6: Final answer
    x = 65,188,096,358.30

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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.