Home / 85,298,059,167.75-117,715,021,819.83-47,236,266,165.47

Finding the Fourth Proportional to 85,298,059,167.75, 117,715,021,819.83 and 47,236,266,165.47

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Solution

The fourth proportional to 85,298,059,167.75, 117,715,021,819.83 and 47,236,266,165.47 is: 65,188,096,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,167.75 : 117,715,021,819.83 = 47,236,266,165.47 : x
  2. Step 2: Convert to fraction form
    85,298,059,167.75/117,715,021,819.83 = 47,236,266,165.47/x
  3. Step 3: Cross multiply
    85,298,059,167.75x = 117,715,021,819.83 × 47,236,266,165.47
  4. Step 4: Simplify right side
    85,298,059,167.75x = 5,560,418,102,355,009,994,752
  5. Step 5: Solve for x
    x = 5,560,418,102,355,009,994,752/85,298,059,167.75
  6. Step 6: Final answer
    x = 65,188,096,383.53

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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.