Home / 109,414,892.70-164,122,339.05-45,581,190.30

Finding the Fourth Proportional to 109,414,892.70, 164,122,339.05 and 45,581,190.30

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Solution

The fourth proportional to 109,414,892.70, 164,122,339.05 and 45,581,190.30 is: 68,371,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414,892.70 : 164,122,339.05 = 45,581,190.30 : x
  2. Step 2: Convert to fraction form
    109,414,892.70/164,122,339.05 = 45,581,190.30/x
  3. Step 3: Cross multiply
    109,414,892.70x = 164,122,339.05 × 45,581,190.30
  4. Step 4: Simplify right side
    109,414,892.70x = 7,480,891,568,719,171
  5. Step 5: Solve for x
    x = 7,480,891,568,719,171/109,414,892.70
  6. Step 6: Final answer
    x = 68,371,785.45

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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.