Home / 48,049,828.52-72,100,981.13-20,379,441.92

Finding the Fourth Proportional to 48,049,828.52, 72,100,981.13 and 20,379,441.92

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Solution

The fourth proportional to 48,049,828.52, 72,100,981.13 and 20,379,441.92 is: 30,580,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,049,828.52 : 72,100,981.13 = 20,379,441.92 : x
  2. Step 2: Convert to fraction form
    48,049,828.52/72,100,981.13 = 20,379,441.92/x
  3. Step 3: Cross multiply
    48,049,828.52x = 72,100,981.13 × 20,379,441.92
  4. Step 4: Simplify right side
    48,049,828.52x = 1,469,377,756,851,448.75
  5. Step 5: Solve for x
    x = 1,469,377,756,851,448.75/48,049,828.52
  6. Step 6: Final answer
    x = 30,580,291.38

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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.