Home / 120,777,846.39-181,161,709.25-38,894,912.24

Finding the Fourth Proportional to 120,777,846.39, 181,161,709.25 and 38,894,912.24

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Solution

The fourth proportional to 120,777,846.39, 181,161,709.25 and 38,894,912.24 is: 58,340,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,777,846.39 : 181,161,709.25 = 38,894,912.24 : x
  2. Step 2: Convert to fraction form
    120,777,846.39/181,161,709.25 = 38,894,912.24/x
  3. Step 3: Cross multiply
    120,777,846.39x = 181,161,709.25 × 38,894,912.24
  4. Step 4: Simplify right side
    120,777,846.39x = 7,046,268,781,426,863
  5. Step 5: Solve for x
    x = 7,046,268,781,426,863/120,777,846.39
  6. Step 6: Final answer
    x = 58,340,738.74

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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.