Home / 48,491,400.80-72,737,101.20-39,882,056.60

Finding the Fourth Proportional to 48,491,400.80, 72,737,101.20 and 39,882,056.60

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Solution

The fourth proportional to 48,491,400.80, 72,737,101.20 and 39,882,056.60 is: 59,823,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491,400.80 : 72,737,101.20 = 39,882,056.60 : x
  2. Step 2: Convert to fraction form
    48,491,400.80/72,737,101.20 = 39,882,056.60/x
  3. Step 3: Cross multiply
    48,491,400.80x = 72,737,101.20 × 39,882,056.60
  4. Step 4: Simplify right side
    48,491,400.80x = 2,900,905,186,978,328
  5. Step 5: Solve for x
    x = 2,900,905,186,978,328/48,491,400.80
  6. Step 6: Final answer
    x = 59,823,084.90

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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.