Home / 121,379,255.70-182,068,883.55-107,349,213.30

Finding the Fourth Proportional to 121,379,255.70, 182,068,883.55 and 107,349,213.30

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Solution

The fourth proportional to 121,379,255.70, 182,068,883.55 and 107,349,213.30 is: 161,023,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,379,255.70 : 182,068,883.55 = 107,349,213.30 : x
  2. Step 2: Convert to fraction form
    121,379,255.70/182,068,883.55 = 107,349,213.30/x
  3. Step 3: Cross multiply
    121,379,255.70x = 182,068,883.55 × 107,349,213.30
  4. Step 4: Simplify right side
    121,379,255.70x = 19,544,951,415,501,812
  5. Step 5: Solve for x
    x = 19,544,951,415,501,812/121,379,255.70
  6. Step 6: Final answer
    x = 161,023,819.95

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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.