Home / 126,378,002.70-189,567,005.27-126,378,002.70

Finding the Fourth Proportional to 126,378,002.70, 189,567,005.27 and 126,378,002.70

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Solution

The fourth proportional to 126,378,002.70, 189,567,005.27 and 126,378,002.70 is: 189,567,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,378,002.70 : 189,567,005.27 = 126,378,002.70 : x
  2. Step 2: Convert to fraction form
    126,378,002.70/189,567,005.27 = 126,378,002.70/x
  3. Step 3: Cross multiply
    126,378,002.70x = 189,567,005.27 × 126,378,002.70
  4. Step 4: Simplify right side
    126,378,002.70x = 23,957,099,503,211,084
  5. Step 5: Solve for x
    x = 23,957,099,503,211,084/126,378,002.70
  6. Step 6: Final answer
    x = 189,567,005.27

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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.