Home / 83,658,339.76-115,451,979.68-46,488,481.20

Finding the Fourth Proportional to 83,658,339.76, 115,451,979.68 and 46,488,481.20

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Solution

The fourth proportional to 83,658,339.76, 115,451,979.68 and 46,488,481.20 is: 64,156,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,658,339.76 : 115,451,979.68 = 46,488,481.20 : x
  2. Step 2: Convert to fraction form
    83,658,339.76/115,451,979.68 = 46,488,481.20/x
  3. Step 3: Cross multiply
    83,658,339.76x = 115,451,979.68 × 46,488,481.20
  4. Step 4: Simplify right side
    83,658,339.76x = 5,367,187,186,856,463
  5. Step 5: Solve for x
    x = 5,367,187,186,856,463/83,658,339.76
  6. Step 6: Final answer
    x = 64,156,032.77

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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.