Home / 197,641,642.05-272,745,491.89-109,541,327.65

Finding the Fourth Proportional to 197,641,642.05, 272,745,491.89 and 109,541,327.65

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Solution

The fourth proportional to 197,641,642.05, 272,745,491.89 and 109,541,327.65 is: 151,167,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641,642.05 : 272,745,491.89 = 109,541,327.65 : x
  2. Step 2: Convert to fraction form
    197,641,642.05/272,745,491.89 = 109,541,327.65/x
  3. Step 3: Cross multiply
    197,641,642.05x = 272,745,491.89 × 109,541,327.65
  4. Step 4: Simplify right side
    197,641,642.05x = 29,876,903,291,635,200
  5. Step 5: Solve for x
    x = 29,876,903,291,635,200/197,641,642.05
  6. Step 6: Final answer
    x = 151,167,046.49

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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.