Home / 110,146,511.10-165,078,049.05-66,969,882.30

Finding the Fourth Proportional to 110,146,511.10, 165,078,049.05 and 66,969,882.30

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Solution

The fourth proportional to 110,146,511.10, 165,078,049.05 and 66,969,882.30 is: 100,368,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,146,511.10 : 165,078,049.05 = 66,969,882.30 : x
  2. Step 2: Convert to fraction form
    110,146,511.10/165,078,049.05 = 66,969,882.30/x
  3. Step 3: Cross multiply
    110,146,511.10x = 165,078,049.05 × 66,969,882.30
  4. Step 4: Simplify right side
    110,146,511.10x = 11,055,257,515,192,128
  5. Step 5: Solve for x
    x = 11,055,257,515,192,128/110,146,511.10
  6. Step 6: Final answer
    x = 100,368,658.12

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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.