Home / 323,769,835.32-485,415,407.46-168,100,137.72

Finding the Fourth Proportional to 323,769,835.32, 485,415,407.46 and 168,100,137.72

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Solution

The fourth proportional to 323,769,835.32, 485,415,407.46 and 168,100,137.72 is: 252,025,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,769,835.32 : 485,415,407.46 = 168,100,137.72 : x
  2. Step 2: Convert to fraction form
    323,769,835.32/485,415,407.46 = 168,100,137.72/x
  3. Step 3: Cross multiply
    323,769,835.32x = 485,415,407.46 × 168,100,137.72
  4. Step 4: Simplify right side
    323,769,835.32x = 81,598,396,845,435,904
  5. Step 5: Solve for x
    x = 81,598,396,845,435,904/323,769,835.32
  6. Step 6: Final answer
    x = 252,025,939.24

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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.