Home / 293,899,525.74-405,581,227.92-161,740,521.90

Finding the Fourth Proportional to 293,899,525.74, 405,581,227.92 and 161,740,521.90

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Solution

The fourth proportional to 293,899,525.74, 405,581,227.92 and 161,740,521.90 is: 223,201,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,899,525.74 : 405,581,227.92 = 161,740,521.90 : x
  2. Step 2: Convert to fraction form
    293,899,525.74/405,581,227.92 = 161,740,521.90/x
  3. Step 3: Cross multiply
    293,899,525.74x = 405,581,227.92 × 161,740,521.90
  4. Step 4: Simplify right side
    293,899,525.74x = 65,598,919,476,623,656
  5. Step 5: Solve for x
    x = 65,598,919,476,623,656/293,899,525.74
  6. Step 6: Final answer
    x = 223,201,855.50

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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.