Home / 81,765,469.17-122,648,203.76-33,231,951.95

Finding the Fourth Proportional to 81,765,469.17, 122,648,203.76 and 33,231,951.95

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Solution

The fourth proportional to 81,765,469.17, 122,648,203.76 and 33,231,951.95 is: 49,847,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765,469.17 : 122,648,203.76 = 33,231,951.95 : x
  2. Step 2: Convert to fraction form
    81,765,469.17/122,648,203.76 = 33,231,951.95/x
  3. Step 3: Cross multiply
    81,765,469.17x = 122,648,203.76 × 33,231,951.95
  4. Step 4: Simplify right side
    81,765,469.17x = 4,075,839,213,326,728.50
  5. Step 5: Solve for x
    x = 4,075,839,213,326,728.50/81,765,469.17
  6. Step 6: Final answer
    x = 49,847,927.92

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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.