Home / 87,296,531.56-120,472,121.85-47,606,233.63

Finding the Fourth Proportional to 87,296,531.56, 120,472,121.85 and 47,606,233.63

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Solution

The fourth proportional to 87,296,531.56, 120,472,121.85 and 47,606,233.63 is: 65,698,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,296,531.56 : 120,472,121.85 = 47,606,233.63 : x
  2. Step 2: Convert to fraction form
    87,296,531.56/120,472,121.85 = 47,606,233.63/x
  3. Step 3: Cross multiply
    87,296,531.56x = 120,472,121.85 × 47,606,233.63
  4. Step 4: Simplify right side
    87,296,531.56x = 5,735,223,978,439,230
  5. Step 5: Solve for x
    x = 5,735,223,978,439,230/87,296,531.56
  6. Step 6: Final answer
    x = 65,698,188.42

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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.