Home / 112,653,273.72-155,485,772.46-68,614,791.96

Finding the Fourth Proportional to 112,653,273.72, 155,485,772.46 and 68,614,791.96

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Solution

The fourth proportional to 112,653,273.72, 155,485,772.46 and 68,614,791.96 is: 94,703,185.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,653,273.72 : 155,485,772.46 = 68,614,791.96 : x
  2. Step 2: Convert to fraction form
    112,653,273.72/155,485,772.46 = 68,614,791.96/x
  3. Step 3: Cross multiply
    112,653,273.72x = 155,485,772.46 × 68,614,791.96
  4. Step 4: Simplify right side
    112,653,273.72x = 10,668,623,930,082,796
  5. Step 5: Solve for x
    x = 10,668,623,930,082,796/112,653,273.72
  6. Step 6: Final answer
    x = 94,703,185.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.