Home / 85,298,059,147.38-117,715,021,791.72-47,236,266,145.02

Finding the Fourth Proportional to 85,298,059,147.38, 117,715,021,791.72 and 47,236,266,145.02

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Solution

The fourth proportional to 85,298,059,147.38, 117,715,021,791.72 and 47,236,266,145.02 is: 65,188,096,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,147.38 : 117,715,021,791.72 = 47,236,266,145.02 : x
  2. Step 2: Convert to fraction form
    85,298,059,147.38/117,715,021,791.72 = 47,236,266,145.02/x
  3. Step 3: Cross multiply
    85,298,059,147.38x = 117,715,021,791.72 × 47,236,266,145.02
  4. Step 4: Simplify right side
    85,298,059,147.38x = 5,560,418,098,620,514,959,360
  5. Step 5: Solve for x
    x = 5,560,418,098,620,514,959,360/85,298,059,147.38
  6. Step 6: Final answer
    x = 65,188,096,355.31

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1.5x scale

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.