Home / 111,758,731.52-167,638,143.78-50,276,076.20

Finding the Fourth Proportional to 111,758,731.52, 167,638,143.78 and 50,276,076.20

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Solution

The fourth proportional to 111,758,731.52, 167,638,143.78 and 50,276,076.20 is: 75,414,135.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,758,731.52 : 167,638,143.78 = 50,276,076.20 : x
  2. Step 2: Convert to fraction form
    111,758,731.52/167,638,143.78 = 50,276,076.20/x
  3. Step 3: Cross multiply
    111,758,731.52x = 167,638,143.78 × 50,276,076.20
  4. Step 4: Simplify right side
    111,758,731.52x = 8,428,188,090,709,837
  5. Step 5: Solve for x
    x = 8,428,188,090,709,837/111,758,731.52
  6. Step 6: Final answer
    x = 75,414,135.22

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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.