Home / 197,799,660.87-296,695,944.72-81,189,695.67

Finding the Fourth Proportional to 197,799,660.87, 296,695,944.72 and 81,189,695.67

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Solution

The fourth proportional to 197,799,660.87, 296,695,944.72 and 81,189,695.67 is: 121,783,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,799,660.87 : 296,695,944.72 = 81,189,695.67 : x
  2. Step 2: Convert to fraction form
    197,799,660.87/296,695,944.72 = 81,189,695.67/x
  3. Step 3: Cross multiply
    197,799,660.87x = 296,695,944.72 × 81,189,695.67
  4. Step 4: Simplify right side
    197,799,660.87x = 24,088,653,458,339,948
  5. Step 5: Solve for x
    x = 24,088,653,458,339,948/197,799,660.87
  6. Step 6: Final answer
    x = 121,783,087.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.