Home / 72,591,565.60-100,175,099.22-39,552,086.24

Finding the Fourth Proportional to 72,591,565.60, 100,175,099.22 and 39,552,086.24

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Solution

The fourth proportional to 72,591,565.60, 100,175,099.22 and 39,552,086.24 is: 54,581,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591,565.60 : 100,175,099.22 = 39,552,086.24 : x
  2. Step 2: Convert to fraction form
    72,591,565.60/100,175,099.22 = 39,552,086.24/x
  3. Step 3: Cross multiply
    72,591,565.60x = 100,175,099.22 × 39,552,086.24
  4. Step 4: Simplify right side
    72,591,565.60x = 3,962,134,163,449,997
  5. Step 5: Solve for x
    x = 3,962,134,163,449,997/72,591,565.60
  6. Step 6: Final answer
    x = 54,581,191.78

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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.