Home / 85,298,059,144.90-117,715,021,788.29-47,236,266,142.52

Finding the Fourth Proportional to 85,298,059,144.90, 117,715,021,788.29 and 47,236,266,142.52

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Solution

The fourth proportional to 85,298,059,144.90, 117,715,021,788.29 and 47,236,266,142.52 is: 65,188,096,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,144.90 : 117,715,021,788.29 = 47,236,266,142.52 : x
  2. Step 2: Convert to fraction form
    85,298,059,144.90/117,715,021,788.29 = 47,236,266,142.52/x
  3. Step 3: Cross multiply
    85,298,059,144.90x = 117,715,021,788.29 × 47,236,266,142.52
  4. Step 4: Simplify right side
    85,298,059,144.90x = 5,560,418,098,164,206,141,440
  5. Step 5: Solve for x
    x = 5,560,418,098,164,206,141,440/85,298,059,144.90
  6. Step 6: Final answer
    x = 65,188,096,351.86

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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.