Home / 86,771,789.44-119,741,067.84-47,612,613.76

Finding the Fourth Proportional to 86,771,789.44, 119,741,067.84 and 47,612,613.76

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Solution

The fourth proportional to 86,771,789.44, 119,741,067.84 and 47,612,613.76 is: 65,703,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771,789.44 : 119,741,067.84 = 47,612,613.76 : x
  2. Step 2: Convert to fraction form
    86,771,789.44/119,741,067.84 = 47,612,613.76/x
  3. Step 3: Cross multiply
    86,771,789.44x = 119,741,067.84 × 47,612,613.76
  4. Step 4: Simplify right side
    86,771,789.44x = 5,701,185,214,275,877
  5. Step 5: Solve for x
    x = 5,701,185,214,275,877/86,771,789.44
  6. Step 6: Final answer
    x = 65,703,211.27

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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.