Home / 263,896,222.70-395,844,334.05-72,419,998.70

Finding the Fourth Proportional to 263,896,222.70, 395,844,334.05 and 72,419,998.70

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Solution

The fourth proportional to 263,896,222.70, 395,844,334.05 and 72,419,998.70 is: 108,629,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,896,222.70 : 395,844,334.05 = 72,419,998.70 : x
  2. Step 2: Convert to fraction form
    263,896,222.70/395,844,334.05 = 72,419,998.70/x
  3. Step 3: Cross multiply
    263,896,222.70x = 395,844,334.05 × 72,419,998.70
  4. Step 4: Simplify right side
    263,896,222.70x = 28,667,046,157,303,368
  5. Step 5: Solve for x
    x = 28,667,046,157,303,368/263,896,222.70
  6. Step 6: Final answer
    x = 108,629,998.05

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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.