Home / 319,946,142.27-479,497,836.00-135,485,372.32

Finding the Fourth Proportional to 319,946,142.27, 479,497,836.00 and 135,485,372.32

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Solution

The fourth proportional to 319,946,142.27, 479,497,836.00 and 135,485,372.32 is: 203,049,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,946,142.27 : 479,497,836.00 = 135,485,372.32 : x
  2. Step 2: Convert to fraction form
    319,946,142.27/479,497,836.00 = 135,485,372.32/x
  3. Step 3: Cross multiply
    319,946,142.27x = 479,497,836.00 × 135,485,372.32
  4. Step 4: Simplify right side
    319,946,142.27x = 64,964,942,836,403,624
  5. Step 5: Solve for x
    x = 64,964,942,836,403,624/319,946,142.27
  6. Step 6: Final answer
    x = 203,049,620.71

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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.