Home / 85,298,059,140.62-117,715,021,782.38-47,236,266,138.29

Finding the Fourth Proportional to 85,298,059,140.62, 117,715,021,782.38 and 47,236,266,138.29

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Solution

The fourth proportional to 85,298,059,140.62, 117,715,021,782.38 and 47,236,266,138.29 is: 65,188,096,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,298,059,140.62 : 117,715,021,782.38 = 47,236,266,138.29 : x
  2. Step 2: Convert to fraction form
    85,298,059,140.62/117,715,021,782.38 = 47,236,266,138.29/x
  3. Step 3: Cross multiply
    85,298,059,140.62x = 117,715,021,782.38 × 47,236,266,138.29
  4. Step 4: Simplify right side
    85,298,059,140.62x = 5,560,418,097,386,518,216,704
  5. Step 5: Solve for x
    x = 5,560,418,097,386,518,216,704/85,298,059,140.62
  6. Step 6: Final answer
    x = 65,188,096,346.02

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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.