Home / 122,385,167.70-183,577,751.55-115,204,809.30

Finding the Fourth Proportional to 122,385,167.70, 183,577,751.55 and 115,204,809.30

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Solution

The fourth proportional to 122,385,167.70, 183,577,751.55 and 115,204,809.30 is: 172,807,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,385,167.70 : 183,577,751.55 = 115,204,809.30 : x
  2. Step 2: Convert to fraction form
    122,385,167.70/183,577,751.55 = 115,204,809.30/x
  3. Step 3: Cross multiply
    122,385,167.70x = 183,577,751.55 × 115,204,809.30
  4. Step 4: Simplify right side
    122,385,167.70x = 21,149,039,859,040,532
  5. Step 5: Solve for x
    x = 21,149,039,859,040,532/122,385,167.70
  6. Step 6: Final answer
    x = 172,807,213.95

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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.