Home / 254,002,435.83-381,002,912.55-69,770,087.87

Finding the Fourth Proportional to 254,002,435.83, 381,002,912.55 and 69,770,087.87

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Solution

The fourth proportional to 254,002,435.83, 381,002,912.55 and 69,770,087.87 is: 104,654,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,002,435.83 : 381,002,912.55 = 69,770,087.87 : x
  2. Step 2: Convert to fraction form
    254,002,435.83/381,002,912.55 = 69,770,087.87/x
  3. Step 3: Cross multiply
    254,002,435.83x = 381,002,912.55 × 69,770,087.87
  4. Step 4: Simplify right side
    254,002,435.83x = 26,582,606,685,434,408
  5. Step 5: Solve for x
    x = 26,582,606,685,434,408/254,002,435.83
  6. Step 6: Final answer
    x = 104,654,928.20

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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.