Home / 49,398,999.87-68,171,606.16-28,773,774.66

Finding the Fourth Proportional to 49,398,999.87, 68,171,606.16 and 28,773,774.66

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Solution

The fourth proportional to 49,398,999.87, 68,171,606.16 and 28,773,774.66 is: 39,708,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398,999.87 : 68,171,606.16 = 28,773,774.66 : x
  2. Step 2: Convert to fraction form
    49,398,999.87/68,171,606.16 = 28,773,774.66/x
  3. Step 3: Cross multiply
    49,398,999.87x = 68,171,606.16 × 28,773,774.66
  4. Step 4: Simplify right side
    49,398,999.87x = 1,961,554,433,858,107.75
  5. Step 5: Solve for x
    x = 1,961,554,433,858,107.75/49,398,999.87
  6. Step 6: Final answer
    x = 39,708,383.55

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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.