Home / 107,802,134.20-161,703,201.30-90,796,022.20

Finding the Fourth Proportional to 107,802,134.20, 161,703,201.30 and 90,796,022.20

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Solution

The fourth proportional to 107,802,134.20, 161,703,201.30 and 90,796,022.20 is: 136,194,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,134.20 : 161,703,201.30 = 90,796,022.20 : x
  2. Step 2: Convert to fraction form
    107,802,134.20/161,703,201.30 = 90,796,022.20/x
  3. Step 3: Cross multiply
    107,802,134.20x = 161,703,201.30 × 90,796,022.20
  4. Step 4: Simplify right side
    107,802,134.20x = 14,682,007,455,045,870
  5. Step 5: Solve for x
    x = 14,682,007,455,045,870/107,802,134.20
  6. Step 6: Final answer
    x = 136,194,033.30

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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.