Home / 133,020,183.40-199,530,275.10-87,633,226.60

Finding the Fourth Proportional to 133,020,183.40, 199,530,275.10 and 87,633,226.60

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Solution

The fourth proportional to 133,020,183.40, 199,530,275.10 and 87,633,226.60 is: 131,449,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,183.40 : 199,530,275.10 = 87,633,226.60 : x
  2. Step 2: Convert to fraction form
    133,020,183.40/199,530,275.10 = 87,633,226.60/x
  3. Step 3: Cross multiply
    133,020,183.40x = 199,530,275.10 × 87,633,226.60
  4. Step 4: Simplify right side
    133,020,183.40x = 17,485,481,811,398,636
  5. Step 5: Solve for x
    x = 17,485,481,811,398,636/133,020,183.40
  6. Step 6: Final answer
    x = 131,449,839.90

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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.