Home / 54,907,759.91-82,276,489.67-31,821,433.40

Finding the Fourth Proportional to 54,907,759.91, 82,276,489.67 and 31,821,433.40

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Solution

The fourth proportional to 54,907,759.91, 82,276,489.67 and 31,821,433.40 is: 47,682,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,907,759.91 : 82,276,489.67 = 31,821,433.40 : x
  2. Step 2: Convert to fraction form
    54,907,759.91/82,276,489.67 = 31,821,433.40/x
  3. Step 3: Cross multiply
    54,907,759.91x = 82,276,489.67 × 31,821,433.40
  4. Step 4: Simplify right side
    54,907,759.91x = 2,618,155,835,849,203.50
  5. Step 5: Solve for x
    x = 2,618,155,835,849,203.50/54,907,759.91
  6. Step 6: Final answer
    x = 47,682,801.85

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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.