Home / 206,510,668.73-284,974,471.92-113,689,183.67

Finding the Fourth Proportional to 206,510,668.73, 284,974,471.92 and 113,689,183.67

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Solution

The fourth proportional to 206,510,668.73, 284,974,471.92 and 113,689,183.67 is: 156,885,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,510,668.73 : 284,974,471.92 = 113,689,183.67 : x
  2. Step 2: Convert to fraction form
    206,510,668.73/284,974,471.92 = 113,689,183.67/x
  3. Step 3: Cross multiply
    206,510,668.73x = 284,974,471.92 × 113,689,183.67
  4. Step 4: Simplify right side
    206,510,668.73x = 32,398,515,077,949,268
  5. Step 5: Solve for x
    x = 32,398,515,077,949,268/206,510,668.73
  6. Step 6: Final answer
    x = 156,885,430.07

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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.