Home / 87,404,456.84-120,618,132.21-48,246,223.37

Finding the Fourth Proportional to 87,404,456.84, 120,618,132.21 and 48,246,223.37

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Solution

The fourth proportional to 87,404,456.84, 120,618,132.21 and 48,246,223.37 is: 66,579,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404,456.84 : 120,618,132.21 = 48,246,223.37 : x
  2. Step 2: Convert to fraction form
    87,404,456.84/120,618,132.21 = 48,246,223.37/x
  3. Step 3: Cross multiply
    87,404,456.84x = 120,618,132.21 × 48,246,223.37
  4. Step 4: Simplify right side
    87,404,456.84x = 5,819,369,348,472,761
  5. Step 5: Solve for x
    x = 5,819,369,348,472,761/87,404,456.84
  6. Step 6: Final answer
    x = 66,579,778.19

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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.