Home / 87,759,175.88-120,912,661.20-57,936,710.30

Finding the Fourth Proportional to 87,759,175.88, 120,912,661.20 and 57,936,710.30

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Solution

The fourth proportional to 87,759,175.88, 120,912,661.20 and 57,936,710.30 is: 79,823,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,759,175.88 : 120,912,661.20 = 57,936,710.30 : x
  2. Step 2: Convert to fraction form
    87,759,175.88/120,912,661.20 = 57,936,710.30/x
  3. Step 3: Cross multiply
    87,759,175.88x = 120,912,661.20 × 57,936,710.30
  4. Step 4: Simplify right side
    87,759,175.88x = 7,005,281,823,159,150
  5. Step 5: Solve for x
    x = 7,005,281,823,159,150/87,759,175.88
  6. Step 6: Final answer
    x = 79,823,924.42

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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.