Home / 126,253,173.12-189,434,317.14-67,892,638.89

Finding the Fourth Proportional to 126,253,173.12, 189,434,317.14 and 67,892,638.89

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Solution

The fourth proportional to 126,253,173.12, 189,434,317.14 and 67,892,638.89 is: 101,868,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253,173.12 : 189,434,317.14 = 67,892,638.89 : x
  2. Step 2: Convert to fraction form
    126,253,173.12/189,434,317.14 = 67,892,638.89/x
  3. Step 3: Cross multiply
    126,253,173.12x = 189,434,317.14 × 67,892,638.89
  4. Step 4: Simplify right side
    126,253,173.12x = 12,861,195,686,959,756
  5. Step 5: Solve for x
    x = 12,861,195,686,959,756/126,253,173.12
  6. Step 6: Final answer
    x = 101,868,296.61

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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.