Home / 129,457,904.52-194,188,540.14-43,196,311.38

Finding the Fourth Proportional to 129,457,904.52, 194,188,540.14 and 43,196,311.38

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Solution

The fourth proportional to 129,457,904.52, 194,188,540.14 and 43,196,311.38 is: 64,795,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,457,904.52 : 194,188,540.14 = 43,196,311.38 : x
  2. Step 2: Convert to fraction form
    129,457,904.52/194,188,540.14 = 43,196,311.38/x
  3. Step 3: Cross multiply
    129,457,904.52x = 194,188,540.14 × 43,196,311.38
  4. Step 4: Simplify right side
    129,457,904.52x = 8,388,228,646,315,069
  5. Step 5: Solve for x
    x = 8,388,228,646,315,069/129,457,904.52
  6. Step 6: Final answer
    x = 64,795,028.76

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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.