Home / 323,769,796.32-485,415,348.96-168,100,098.72

Finding the Fourth Proportional to 323,769,796.32, 485,415,348.96 and 168,100,098.72

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Solution

The fourth proportional to 323,769,796.32, 485,415,348.96 and 168,100,098.72 is: 252,025,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,769,796.32 : 485,415,348.96 = 168,100,098.72 : x
  2. Step 2: Convert to fraction form
    323,769,796.32/485,415,348.96 = 168,100,098.72/x
  3. Step 3: Cross multiply
    323,769,796.32x = 485,415,348.96 × 168,100,098.72
  4. Step 4: Simplify right side
    323,769,796.32x = 81,598,368,080,379,248
  5. Step 5: Solve for x
    x = 81,598,368,080,379,248/323,769,796.32
  6. Step 6: Final answer
    x = 252,025,880.76

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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.