Home / 197,212,825.17-272,151,680.89-109,107,453.41

Finding the Fourth Proportional to 197,212,825.17, 272,151,680.89 and 109,107,453.41

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Solution

The fourth proportional to 197,212,825.17, 272,151,680.89 and 109,107,453.41 is: 150,567,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,212,825.17 : 272,151,680.89 = 109,107,453.41 : x
  2. Step 2: Convert to fraction form
    197,212,825.17/272,151,680.89 = 109,107,453.41/x
  3. Step 3: Cross multiply
    197,212,825.17x = 272,151,680.89 × 109,107,453.41
  4. Step 4: Simplify right side
    197,212,825.17x = 29,693,776,843,566,468
  5. Step 5: Solve for x
    x = 29,693,776,843,566,468/197,212,825.17
  6. Step 6: Final answer
    x = 150,567,169.34

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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.