Home / 129,405,116,979.20-194,129,174,553.60-50,890,459,289.60

Finding the Fourth Proportional to 129,405,116,979.20, 194,129,174,553.60 and 50,890,459,289.60

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Solution

The fourth proportional to 129,405,116,979.20, 194,129,174,553.60 and 50,890,459,289.60 is: 76,344,143,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,405,116,979.20 : 194,129,174,553.60 = 50,890,459,289.60 : x
  2. Step 2: Convert to fraction form
    129,405,116,979.20/194,129,174,553.60 = 50,890,459,289.60/x
  3. Step 3: Cross multiply
    129,405,116,979.20x = 194,129,174,553.60 × 50,890,459,289.60
  4. Step 4: Simplify right side
    129,405,116,979.20x = 9,879,322,854,543,633,416,192
  5. Step 5: Solve for x
    x = 9,879,322,854,543,633,416,192/129,405,116,979.20
  6. Step 6: Final answer
    x = 76,344,143,764.67

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1.5x scale

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.