Home / 107,802,155.70-161,703,233.55-90,796,043.70

Finding the Fourth Proportional to 107,802,155.70, 161,703,233.55 and 90,796,043.70

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Solution

The fourth proportional to 107,802,155.70, 161,703,233.55 and 90,796,043.70 is: 136,194,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802,155.70 : 161,703,233.55 = 90,796,043.70 : x
  2. Step 2: Convert to fraction form
    107,802,155.70/161,703,233.55 = 90,796,043.70/x
  3. Step 3: Cross multiply
    107,802,155.70x = 161,703,233.55 × 90,796,043.70
  4. Step 4: Simplify right side
    107,802,155.70x = 14,682,013,859,837,108
  5. Step 5: Solve for x
    x = 14,682,013,859,837,108/107,802,155.70
  6. Step 6: Final answer
    x = 136,194,065.55

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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.