Home / 98,356,709.76-135,606,090.78-80,650,375.44

Finding the Fourth Proportional to 98,356,709.76, 135,606,090.78 and 80,650,375.44

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Solution

The fourth proportional to 98,356,709.76, 135,606,090.78 and 80,650,375.44 is: 111,194,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,356,709.76 : 135,606,090.78 = 80,650,375.44 : x
  2. Step 2: Convert to fraction form
    98,356,709.76/135,606,090.78 = 80,650,375.44/x
  3. Step 3: Cross multiply
    98,356,709.76x = 135,606,090.78 × 80,650,375.44
  4. Step 4: Simplify right side
    98,356,709.76x = 10,936,682,133,357,722
  5. Step 5: Solve for x
    x = 10,936,682,133,357,722/98,356,709.76
  6. Step 6: Final answer
    x = 111,194,062.51

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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.