Home / 112,422,470.21-155,131,064.99-62,178,704.73

Finding the Fourth Proportional to 112,422,470.21, 155,131,064.99 and 62,178,704.73

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Solution

The fourth proportional to 112,422,470.21, 155,131,064.99 and 62,178,704.73 is: 85,800,006.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,422,470.21 : 155,131,064.99 = 62,178,704.73 : x
  2. Step 2: Convert to fraction form
    112,422,470.21/155,131,064.99 = 62,178,704.73/x
  3. Step 3: Cross multiply
    112,422,470.21x = 155,131,064.99 × 62,178,704.73
  4. Step 4: Simplify right side
    112,422,470.21x = 9,645,848,684,136,034
  5. Step 5: Solve for x
    x = 9,645,848,684,136,034/112,422,470.21
  6. Step 6: Final answer
    x = 85,800,006.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.