Home / 76,722,577.42-115,156,623.73-47,487,984.34

Finding the Fourth Proportional to 76,722,577.42, 115,156,623.73 and 47,487,984.34

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Solution

The fourth proportional to 76,722,577.42, 115,156,623.73 and 47,487,984.34 is: 71,277,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722,577.42 : 115,156,623.73 = 47,487,984.34 : x
  2. Step 2: Convert to fraction form
    76,722,577.42/115,156,623.73 = 47,487,984.34/x
  3. Step 3: Cross multiply
    76,722,577.42x = 115,156,623.73 × 47,487,984.34
  4. Step 4: Simplify right side
    76,722,577.42x = 5,468,555,943,930,901
  5. Step 5: Solve for x
    x = 5,468,555,943,930,901/76,722,577.42
  6. Step 6: Final answer
    x = 71,277,010.34

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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.