Home / 263,642,861.05-395,187,462.18-88,705,165.54

Finding the Fourth Proportional to 263,642,861.05, 395,187,462.18 and 88,705,165.54

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Solution

The fourth proportional to 263,642,861.05, 395,187,462.18 and 88,705,165.54 is: 132,964,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,642,861.05 : 395,187,462.18 = 88,705,165.54 : x
  2. Step 2: Convert to fraction form
    263,642,861.05/395,187,462.18 = 88,705,165.54/x
  3. Step 3: Cross multiply
    263,642,861.05x = 395,187,462.18 × 88,705,165.54
  4. Step 4: Simplify right side
    263,642,861.05x = 35,055,169,252,009,392
  5. Step 5: Solve for x
    x = 35,055,169,252,009,392/263,642,861.05
  6. Step 6: Final answer
    x = 132,964,606.41

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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.