Home / 107,802,154.20-161,703,231.30-90,796,042.20

Finding the Fourth Proportional to 107,802,154.20, 161,703,231.30 and 90,796,042.20

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Solution

The fourth proportional to 107,802,154.20, 161,703,231.30 and 90,796,042.20 is: 136,194,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,154.20 : 161,703,231.30 = 90,796,042.20 : x
  2. Step 2: Convert to fraction form
    107,802,154.20/161,703,231.30 = 90,796,042.20/x
  3. Step 3: Cross multiply
    107,802,154.20x = 161,703,231.30 × 90,796,042.20
  4. Step 4: Simplify right side
    107,802,154.20x = 14,682,013,412,991,162
  5. Step 5: Solve for x
    x = 14,682,013,412,991,162/107,802,154.20
  6. Step 6: Final answer
    x = 136,194,063.30

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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.