Home / 87,631,157.22-120,297,738.78-75,219,703.26

Finding the Fourth Proportional to 87,631,157.22, 120,297,738.78 and 75,219,703.26

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Solution

The fourth proportional to 87,631,157.22, 120,297,738.78 and 75,219,703.26 is: 103,259,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,631,157.22 : 120,297,738.78 = 75,219,703.26 : x
  2. Step 2: Convert to fraction form
    87,631,157.22/120,297,738.78 = 75,219,703.26/x
  3. Step 3: Cross multiply
    87,631,157.22x = 120,297,738.78 × 75,219,703.26
  4. Step 4: Simplify right side
    87,631,157.22x = 9,048,760,213,880,596
  5. Step 5: Solve for x
    x = 9,048,760,213,880,596/87,631,157.22
  6. Step 6: Final answer
    x = 103,259,622.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.