Home / 168,305,553.15-252,458,329.73-77,606,289.15

Finding the Fourth Proportional to 168,305,553.15, 252,458,329.73 and 77,606,289.15

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Solution

The fourth proportional to 168,305,553.15, 252,458,329.73 and 77,606,289.15 is: 116,409,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,305,553.15 : 252,458,329.73 = 77,606,289.15 : x
  2. Step 2: Convert to fraction form
    168,305,553.15/252,458,329.73 = 77,606,289.15/x
  3. Step 3: Cross multiply
    168,305,553.15x = 252,458,329.73 × 77,606,289.15
  4. Step 4: Simplify right side
    168,305,553.15x = 19,592,354,134,964,392
  5. Step 5: Solve for x
    x = 19,592,354,134,964,392/168,305,553.15
  6. Step 6: Final answer
    x = 116,409,433.73

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1.5x scale

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.