Home / 293,617,624.32-405,218,142.72-161,481,902.40

Finding the Fourth Proportional to 293,617,624.32, 405,218,142.72 and 161,481,902.40

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Solution

The fourth proportional to 293,617,624.32, 405,218,142.72 and 161,481,902.40 is: 222,859,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,617,624.32 : 405,218,142.72 = 161,481,902.40 : x
  2. Step 2: Convert to fraction form
    293,617,624.32/405,218,142.72 = 161,481,902.40/x
  3. Step 3: Cross multiply
    293,617,624.32x = 405,218,142.72 × 161,481,902.40
  4. Step 4: Simplify right side
    293,617,624.32x = 65,435,396,573,420,320
  5. Step 5: Solve for x
    x = 65,435,396,573,420,320/293,617,624.32
  6. Step 6: Final answer
    x = 222,859,226.26

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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.