Home / 147,159,352.64-203,086,171.68-81,969,285.44

Finding the Fourth Proportional to 147,159,352.64, 203,086,171.68 and 81,969,285.44

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Solution

The fourth proportional to 147,159,352.64, 203,086,171.68 and 81,969,285.44 is: 113,121,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,159,352.64 : 203,086,171.68 = 81,969,285.44 : x
  2. Step 2: Convert to fraction form
    147,159,352.64/203,086,171.68 = 81,969,285.44/x
  3. Step 3: Cross multiply
    147,159,352.64x = 203,086,171.68 × 81,969,285.44
  4. Step 4: Simplify right side
    147,159,352.64x = 16,646,828,375,354,764
  5. Step 5: Solve for x
    x = 16,646,828,375,354,764/147,159,352.64
  6. Step 6: Final answer
    x = 113,121,103.60

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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.