Home / 189,532,733.58-261,538,939.26-109,067,331.96

Finding the Fourth Proportional to 189,532,733.58, 261,538,939.26 and 109,067,331.96

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Solution

The fourth proportional to 189,532,733.58, 261,538,939.26 and 109,067,331.96 is: 150,503,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,532,733.58 : 261,538,939.26 = 109,067,331.96 : x
  2. Step 2: Convert to fraction form
    189,532,733.58/261,538,939.26 = 109,067,331.96/x
  3. Step 3: Cross multiply
    189,532,733.58x = 261,538,939.26 × 109,067,331.96
  4. Step 4: Simplify right side
    189,532,733.58x = 28,525,354,308,736,692
  5. Step 5: Solve for x
    x = 28,525,354,308,736,692/189,532,733.58
  6. Step 6: Final answer
    x = 150,503,576.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.