Home / 122,056,934.20-183,383,999.70-91,823,846.20

Finding the Fourth Proportional to 122,056,934.20, 183,383,999.70 and 91,823,846.20

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Solution

The fourth proportional to 122,056,934.20, 183,383,999.70 and 91,823,846.20 is: 137,960,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,056,934.20 : 183,383,999.70 = 91,823,846.20 : x
  2. Step 2: Convert to fraction form
    122,056,934.20/183,383,999.70 = 91,823,846.20/x
  3. Step 3: Cross multiply
    122,056,934.20x = 183,383,999.70 × 91,823,846.20
  4. Step 4: Simplify right side
    122,056,934.20x = 16,839,024,183,993,646
  5. Step 5: Solve for x
    x = 16,839,024,183,993,646/122,056,934.20
  6. Step 6: Final answer
    x = 137,960,405.89

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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.