Home / 197,395,724.73-272,424,379.41-109,289,723.88

Finding the Fourth Proportional to 197,395,724.73, 272,424,379.41 and 109,289,723.88

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Solution

The fourth proportional to 197,395,724.73, 272,424,379.41 and 109,289,723.88 is: 150,829,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,395,724.73 : 272,424,379.41 = 109,289,723.88 : x
  2. Step 2: Convert to fraction form
    197,395,724.73/272,424,379.41 = 109,289,723.88/x
  3. Step 3: Cross multiply
    197,395,724.73x = 272,424,379.41 × 109,289,723.88
  4. Step 4: Simplify right side
    197,395,724.73x = 29,773,185,203,899,260
  5. Step 5: Solve for x
    x = 29,773,185,203,899,260/197,395,724.73
  6. Step 6: Final answer
    x = 150,829,939.43

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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.