Home / 84,788,462.40-117,033,451.92-49,515,782.13

Finding the Fourth Proportional to 84,788,462.40, 117,033,451.92 and 49,515,782.13

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Solution

The fourth proportional to 84,788,462.40, 117,033,451.92 and 49,515,782.13 is: 68,346,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788,462.40 : 117,033,451.92 = 49,515,782.13 : x
  2. Step 2: Convert to fraction form
    84,788,462.40/117,033,451.92 = 49,515,782.13/x
  3. Step 3: Cross multiply
    84,788,462.40x = 117,033,451.92 × 49,515,782.13
  4. Step 4: Simplify right side
    84,788,462.40x = 5,795,002,907,192,551
  5. Step 5: Solve for x
    x = 5,795,002,907,192,551/84,788,462.40
  6. Step 6: Final answer
    x = 68,346,597.44

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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.