Home / 76,722,603.48-115,156,662.77-47,488,010.37

Finding the Fourth Proportional to 76,722,603.48, 115,156,662.77 and 47,488,010.37

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Solution

The fourth proportional to 76,722,603.48, 115,156,662.77 and 47,488,010.37 is: 71,277,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722,603.48 : 115,156,662.77 = 47,488,010.37 : x
  2. Step 2: Convert to fraction form
    76,722,603.48/115,156,662.77 = 47,488,010.37/x
  3. Step 3: Cross multiply
    76,722,603.48x = 115,156,662.77 × 47,488,010.37
  4. Step 4: Simplify right side
    76,722,603.48x = 5,468,560,795,796,352
  5. Step 5: Solve for x
    x = 5,468,560,795,796,352/76,722,603.48
  6. Step 6: Final answer
    x = 71,277,049.37

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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.