Home / 48,505,004.20-72,757,506.30-31,286,315.80

Finding the Fourth Proportional to 48,505,004.20, 72,757,506.30 and 31,286,315.80

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Solution

The fourth proportional to 48,505,004.20, 72,757,506.30 and 31,286,315.80 is: 46,929,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,505,004.20 : 72,757,506.30 = 31,286,315.80 : x
  2. Step 2: Convert to fraction form
    48,505,004.20/72,757,506.30 = 31,286,315.80/x
  3. Step 3: Cross multiply
    48,505,004.20x = 72,757,506.30 × 31,286,315.80
  4. Step 4: Simplify right side
    48,505,004.20x = 2,276,314,318,922,289.50
  5. Step 5: Solve for x
    x = 2,276,314,318,922,289.50/48,505,004.20
  6. Step 6: Final answer
    x = 46,929,473.70

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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.