Home / 98,350,715.58-135,597,814.47-80,644,383.42

Finding the Fourth Proportional to 98,350,715.58, 135,597,814.47 and 80,644,383.42

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Solution

The fourth proportional to 98,350,715.58, 135,597,814.47 and 80,644,383.42 is: 111,185,791.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,350,715.58 : 135,597,814.47 = 80,644,383.42 : x
  2. Step 2: Convert to fraction form
    98,350,715.58/135,597,814.47 = 80,644,383.42/x
  3. Step 3: Cross multiply
    98,350,715.58x = 135,597,814.47 × 80,644,383.42
  4. Step 4: Simplify right side
    98,350,715.58x = 10,935,202,141,032,704
  5. Step 5: Solve for x
    x = 10,935,202,141,032,704/98,350,715.58
  6. Step 6: Final answer
    x = 111,185,791.34

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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.