Home / 122,142,660.52-183,213,874.13-31,266,103.72

Finding the Fourth Proportional to 122,142,660.52, 183,213,874.13 and 31,266,103.72

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Solution

The fourth proportional to 122,142,660.52, 183,213,874.13 and 31,266,103.72 is: 46,899,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,142,660.52 : 183,213,874.13 = 31,266,103.72 : x
  2. Step 2: Convert to fraction form
    122,142,660.52/183,213,874.13 = 31,266,103.72/x
  3. Step 3: Cross multiply
    122,142,660.52x = 183,213,874.13 × 31,266,103.72
  4. Step 4: Simplify right side
    122,142,660.52x = 5,728,383,991,491,604
  5. Step 5: Solve for x
    x = 5,728,383,991,491,604/122,142,660.52
  6. Step 6: Final answer
    x = 46,899,125.72

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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.