Home / 132,295,396.16-198,469,583.32-74,085,853.76

Finding the Fourth Proportional to 132,295,396.16, 198,469,583.32 and 74,085,853.76

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Solution

The fourth proportional to 132,295,396.16, 198,469,583.32 and 74,085,853.76 is: 111,143,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,295,396.16 : 198,469,583.32 = 74,085,853.76 : x
  2. Step 2: Convert to fraction form
    132,295,396.16/198,469,583.32 = 74,085,853.76/x
  3. Step 3: Cross multiply
    132,295,396.16x = 198,469,583.32 × 74,085,853.76
  4. Step 4: Simplify right side
    132,295,396.16x = 14,703,788,525,653,656
  5. Step 5: Solve for x
    x = 14,703,788,525,653,656/132,295,396.16
  6. Step 6: Final answer
    x = 111,143,614.61

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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.