Home / 42,768,049.70-64,096,087.35-17,188,120.10

Finding the Fourth Proportional to 42,768,049.70, 64,096,087.35 and 17,188,120.10

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Solution

The fourth proportional to 42,768,049.70, 64,096,087.35 and 17,188,120.10 is: 25,759,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,049.70 : 64,096,087.35 = 17,188,120.10 : x
  2. Step 2: Convert to fraction form
    42,768,049.70/64,096,087.35 = 17,188,120.10/x
  3. Step 3: Cross multiply
    42,768,049.70x = 64,096,087.35 × 17,188,120.10
  4. Step 4: Simplify right side
    42,768,049.70x = 1,101,691,247,311,890.88
  5. Step 5: Solve for x
    x = 1,101,691,247,311,890.88/42,768,049.70
  6. Step 6: Final answer
    x = 25,759,679.36

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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.