Home / 74,507,015.70-111,888,049.95-40,494,791.70

Finding the Fourth Proportional to 74,507,015.70, 111,888,049.95 and 40,494,791.70

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Solution

The fourth proportional to 74,507,015.70, 111,888,049.95 and 40,494,791.70 is: 60,811,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507,015.70 : 111,888,049.95 = 40,494,791.70 : x
  2. Step 2: Convert to fraction form
    74,507,015.70/111,888,049.95 = 40,494,791.70/x
  3. Step 3: Cross multiply
    74,507,015.70x = 111,888,049.95 × 40,494,791.70
  4. Step 4: Simplify right side
    74,507,015.70x = 4,530,883,276,444,446
  5. Step 5: Solve for x
    x = 4,530,883,276,444,446/74,507,015.70
  6. Step 6: Final answer
    x = 60,811,498.54

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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.