Home / 87,631,191.37-120,297,785.56-75,219,737.41

Finding the Fourth Proportional to 87,631,191.37, 120,297,785.56 and 75,219,737.41

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Solution

The fourth proportional to 87,631,191.37, 120,297,785.56 and 75,219,737.41 is: 103,259,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,631,191.37 : 120,297,785.56 = 75,219,737.41 : x
  2. Step 2: Convert to fraction form
    87,631,191.37/120,297,785.56 = 75,219,737.41/x
  3. Step 3: Cross multiply
    87,631,191.37x = 120,297,785.56 × 75,219,737.41
  4. Step 4: Simplify right side
    87,631,191.37x = 9,048,767,840,827,690
  5. Step 5: Solve for x
    x = 9,048,767,840,827,690/87,631,191.37
  6. Step 6: Final answer
    x = 103,259,669.30

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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.