Home / 378,364,945.23-567,802,072.13-132,723,904.59

Finding the Fourth Proportional to 378,364,945.23, 567,802,072.13 and 132,723,904.59

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Solution

The fourth proportional to 378,364,945.23, 567,802,072.13 and 132,723,904.59 is: 199,175,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,364,945.23 : 567,802,072.13 = 132,723,904.59 : x
  2. Step 2: Convert to fraction form
    378,364,945.23/567,802,072.13 = 132,723,904.59/x
  3. Step 3: Cross multiply
    378,364,945.23x = 567,802,072.13 × 132,723,904.59
  4. Step 4: Simplify right side
    378,364,945.23x = 75,360,908,046,722,800
  5. Step 5: Solve for x
    x = 75,360,908,046,722,800/378,364,945.23
  6. Step 6: Final answer
    x = 199,175,185.22

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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.