Home / 86,654,157.77-119,595,909.88-55,305,738.65

Finding the Fourth Proportional to 86,654,157.77, 119,595,909.88 and 55,305,738.65

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Solution

The fourth proportional to 86,654,157.77, 119,595,909.88 and 55,305,738.65 is: 76,330,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,654,157.77 : 119,595,909.88 = 55,305,738.65 : x
  2. Step 2: Convert to fraction form
    86,654,157.77/119,595,909.88 = 55,305,738.65/x
  3. Step 3: Cross multiply
    86,654,157.77x = 119,595,909.88 × 55,305,738.65
  4. Step 4: Simplify right side
    86,654,157.77x = 6,614,340,135,800,355
  5. Step 5: Solve for x
    x = 6,614,340,135,800,355/86,654,157.77
  6. Step 6: Final answer
    x = 76,330,326.27

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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.