Home / 293,899,728.72-405,581,506.62-161,740,724.82

Finding the Fourth Proportional to 293,899,728.72, 405,581,506.62 and 161,740,724.82

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Solution

The fourth proportional to 293,899,728.72, 405,581,506.62 and 161,740,724.82 is: 223,202,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,899,728.72 : 405,581,506.62 = 161,740,724.82 : x
  2. Step 2: Convert to fraction form
    293,899,728.72/405,581,506.62 = 161,740,724.82/x
  3. Step 3: Cross multiply
    293,899,728.72x = 405,581,506.62 × 161,740,724.82
  4. Step 4: Simplify right side
    293,899,728.72x = 65,599,046,854,306,424
  5. Step 5: Solve for x
    x = 65,599,046,854,306,424/293,899,728.72
  6. Step 6: Final answer
    x = 223,202,134.76

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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.