Home / 85,418,431.30-117,876,842.76-46,259,311.78

Finding the Fourth Proportional to 85,418,431.30, 117,876,842.76 and 46,259,311.78

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Solution

The fourth proportional to 85,418,431.30, 117,876,842.76 and 46,259,311.78 is: 63,837,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,418,431.30 : 117,876,842.76 = 46,259,311.78 : x
  2. Step 2: Convert to fraction form
    85,418,431.30/117,876,842.76 = 46,259,311.78/x
  3. Step 3: Cross multiply
    85,418,431.30x = 117,876,842.76 × 46,259,311.78
  4. Step 4: Simplify right side
    85,418,431.30x = 5,452,901,620,876,876
  5. Step 5: Solve for x
    x = 5,452,901,620,876,876/85,418,431.30
  6. Step 6: Final answer
    x = 63,837,529.42

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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.