Home / 86,393,031.76-119,223,514.66-47,234,853.92

Finding the Fourth Proportional to 86,393,031.76, 119,223,514.66 and 47,234,853.92

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Solution

The fourth proportional to 86,393,031.76, 119,223,514.66 and 47,234,853.92 is: 65,184,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,393,031.76 : 119,223,514.66 = 47,234,853.92 : x
  2. Step 2: Convert to fraction form
    86,393,031.76/119,223,514.66 = 47,234,853.92/x
  3. Step 3: Cross multiply
    86,393,031.76x = 119,223,514.66 × 47,234,853.92
  4. Step 4: Simplify right side
    86,393,031.76x = 5,631,505,298,794,079
  5. Step 5: Solve for x
    x = 5,631,505,298,794,079/86,393,031.76
  6. Step 6: Final answer
    x = 65,184,716.68

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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.