Home / 331,190,769.60-496,786,154.40-113,087,383.20

Finding the Fourth Proportional to 331,190,769.60, 496,786,154.40 and 113,087,383.20

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Solution

The fourth proportional to 331,190,769.60, 496,786,154.40 and 113,087,383.20 is: 169,631,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,190,769.60 : 496,786,154.40 = 113,087,383.20 : x
  2. Step 2: Convert to fraction form
    331,190,769.60/496,786,154.40 = 113,087,383.20/x
  3. Step 3: Cross multiply
    331,190,769.60x = 496,786,154.40 × 113,087,383.20
  4. Step 4: Simplify right side
    331,190,769.60x = 56,180,246,211,087,168
  5. Step 5: Solve for x
    x = 56,180,246,211,087,168/331,190,769.60
  6. Step 6: Final answer
    x = 169,631,074.80

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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.