Home / 75,494,968.80-113,327,600.40-49,985,800.80

Finding the Fourth Proportional to 75,494,968.80, 113,327,600.40 and 49,985,800.80

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Solution

The fourth proportional to 75,494,968.80, 113,327,600.40 and 49,985,800.80 is: 75,035,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,494,968.80 : 113,327,600.40 = 49,985,800.80 : x
  2. Step 2: Convert to fraction form
    75,494,968.80/113,327,600.40 = 49,985,800.80/x
  3. Step 3: Cross multiply
    75,494,968.80x = 113,327,600.40 × 49,985,800.80
  4. Step 4: Simplify right side
    75,494,968.80x = 5,664,770,858,736,400
  5. Step 5: Solve for x
    x = 5,664,770,858,736,400/75,494,968.80
  6. Step 6: Final answer
    x = 75,035,077.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.