Home / 217,446,715,673.14-300,085,768,141.24-121,102,786,687.12

Finding the Fourth Proportional to 217,446,715,673.14, 300,085,768,141.24 and 121,102,786,687.12

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Solution

The fourth proportional to 217,446,715,673.14, 300,085,768,141.24 and 121,102,786,687.12 is: 167,127,025,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,446,715,673.14 : 300,085,768,141.24 = 121,102,786,687.12 : x
  2. Step 2: Convert to fraction form
    217,446,715,673.14/300,085,768,141.24 = 121,102,786,687.12/x
  3. Step 3: Cross multiply
    217,446,715,673.14x = 300,085,768,141.24 × 121,102,786,687.12
  4. Step 4: Simplify right side
    217,446,715,673.14x = 36,341,222,767,049,134,047,232
  5. Step 5: Solve for x
    x = 36,341,222,767,049,134,047,232/217,446,715,673.14
  6. Step 6: Final answer
    x = 167,127,025,370.56

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Double scale
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1.5x scale

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.