Home / 68,828,828.54-103,244,337.56-38,317,340.30

Finding the Fourth Proportional to 68,828,828.54, 103,244,337.56 and 38,317,340.30

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Solution

The fourth proportional to 68,828,828.54, 103,244,337.56 and 38,317,340.30 is: 57,476,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828,828.54 : 103,244,337.56 = 38,317,340.30 : x
  2. Step 2: Convert to fraction form
    68,828,828.54/103,244,337.56 = 38,317,340.30/x
  3. Step 3: Cross multiply
    68,828,828.54x = 103,244,337.56 × 38,317,340.30
  4. Step 4: Simplify right side
    68,828,828.54x = 3,956,048,415,914,163.50
  5. Step 5: Solve for x
    x = 3,956,048,415,914,163.50/68,828,828.54
  6. Step 6: Final answer
    x = 57,476,619.90

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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.