Home / 76,722,604.48-115,156,664.27-47,488,011.37

Finding the Fourth Proportional to 76,722,604.48, 115,156,664.27 and 47,488,011.37

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Solution

The fourth proportional to 76,722,604.48, 115,156,664.27 and 47,488,011.37 is: 71,277,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722,604.48 : 115,156,664.27 = 47,488,011.37 : x
  2. Step 2: Convert to fraction form
    76,722,604.48/115,156,664.27 = 47,488,011.37/x
  3. Step 3: Cross multiply
    76,722,604.48x = 115,156,664.27 × 47,488,011.37
  4. Step 4: Simplify right side
    76,722,604.48x = 5,468,560,982,185,032
  5. Step 5: Solve for x
    x = 5,468,560,982,185,032/76,722,604.48
  6. Step 6: Final answer
    x = 71,277,050.87

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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.