Home / 45,928,611-68,868,996.80-21,661,021.73

Finding the Fourth Proportional to 45,928,611, 68,868,996.80 and 21,661,021.73

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Solution

The fourth proportional to 45,928,611, 68,868,996.80 and 21,661,021.73 is: 32,480,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928,611 : 68,868,996.80 = 21,661,021.73 : x
  2. Step 2: Convert to fraction form
    45,928,611/68,868,996.80 = 21,661,021.73/x
  3. Step 3: Cross multiply
    45,928,611x = 68,868,996.80 × 21,661,021.73
  4. Step 4: Simplify right side
    45,928,611x = 1,491,772,836,271,968
  5. Step 5: Solve for x
    x = 1,491,772,836,271,968/45,928,611
  6. Step 6: Final answer
    x = 32,480,251.50

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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.