Home / 68,894,368.40-103,305,675-25,728,081.68

Finding the Fourth Proportional to 68,894,368.40, 103,305,675 and 25,728,081.68

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Solution

The fourth proportional to 68,894,368.40, 103,305,675 and 25,728,081.68 is: 38,578,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,894,368.40 : 103,305,675 = 25,728,081.68 : x
  2. Step 2: Convert to fraction form
    68,894,368.40/103,305,675 = 25,728,081.68/x
  3. Step 3: Cross multiply
    68,894,368.40x = 103,305,675 × 25,728,081.68
  4. Step 4: Simplify right side
    68,894,368.40x = 2,657,856,844,407,534
  5. Step 5: Solve for x
    x = 2,657,856,844,407,534/68,894,368.40
  6. Step 6: Final answer
    x = 38,578,724.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.