Home / 135,491,870.70-203,245,387.56-43,383,712.14

Finding the Fourth Proportional to 135,491,870.70, 203,245,387.56 and 43,383,712.14

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Solution

The fourth proportional to 135,491,870.70, 203,245,387.56 and 43,383,712.14 is: 65,077,995.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,491,870.70 : 203,245,387.56 = 43,383,712.14 : x
  2. Step 2: Convert to fraction form
    135,491,870.70/203,245,387.56 = 43,383,712.14/x
  3. Step 3: Cross multiply
    135,491,870.70x = 203,245,387.56 × 43,383,712.14
  4. Step 4: Simplify right side
    135,491,870.70x = 8,817,539,387,685,777
  5. Step 5: Solve for x
    x = 8,817,539,387,685,777/135,491,870.70
  6. Step 6: Final answer
    x = 65,077,995.77

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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.