Home / 197,228,772.47-272,109,610.75-113,595,227.97

Finding the Fourth Proportional to 197,228,772.47, 272,109,610.75 and 113,595,227.97

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Solution

The fourth proportional to 197,228,772.47, 272,109,610.75 and 113,595,227.97 is: 156,723,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,228,772.47 : 272,109,610.75 = 113,595,227.97 : x
  2. Step 2: Convert to fraction form
    197,228,772.47/272,109,610.75 = 113,595,227.97/x
  3. Step 3: Cross multiply
    197,228,772.47x = 272,109,610.75 × 113,595,227.97
  4. Step 4: Simplify right side
    197,228,772.47x = 30,910,353,265,974,212
  5. Step 5: Solve for x
    x = 30,910,353,265,974,212/197,228,772.47
  6. Step 6: Final answer
    x = 156,723,346.59

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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.