Home / 72,591,584.64-100,175,125.41-39,552,105.30

Finding the Fourth Proportional to 72,591,584.64, 100,175,125.41 and 39,552,105.30

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Solution

The fourth proportional to 72,591,584.64, 100,175,125.41 and 39,552,105.30 is: 54,581,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591,584.64 : 100,175,125.41 = 39,552,105.30 : x
  2. Step 2: Convert to fraction form
    72,591,584.64/100,175,125.41 = 39,552,105.30/x
  3. Step 3: Cross multiply
    72,591,584.64x = 100,175,125.41 × 39,552,105.30
  4. Step 4: Simplify right side
    72,591,584.64x = 3,962,137,108,657,025
  5. Step 5: Solve for x
    x = 3,962,137,108,657,025/72,591,584.64
  6. Step 6: Final answer
    x = 54,581,218.03

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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.