Home / 311,983,221.60-467,848,861.20-107,405,992.80

Finding the Fourth Proportional to 311,983,221.60, 467,848,861.20 and 107,405,992.80

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Solution

The fourth proportional to 311,983,221.60, 467,848,861.20 and 107,405,992.80 is: 161,065,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,983,221.60 : 467,848,861.20 = 107,405,992.80 : x
  2. Step 2: Convert to fraction form
    311,983,221.60/467,848,861.20 = 107,405,992.80/x
  3. Step 3: Cross multiply
    311,983,221.60x = 467,848,861.20 × 107,405,992.80
  4. Step 4: Simplify right side
    311,983,221.60x = 50,249,771,417,535,400
  5. Step 5: Solve for x
    x = 50,249,771,417,535,400/311,983,221.60
  6. Step 6: Final answer
    x = 161,065,621.29

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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.