Home / 72,511,792.80-108,767,689.20-29,382,403.20

Finding the Fourth Proportional to 72,511,792.80, 108,767,689.20 and 29,382,403.20

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Solution

The fourth proportional to 72,511,792.80, 108,767,689.20 and 29,382,403.20 is: 44,073,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,511,792.80 : 108,767,689.20 = 29,382,403.20 : x
  2. Step 2: Convert to fraction form
    72,511,792.80/108,767,689.20 = 29,382,403.20/x
  3. Step 3: Cross multiply
    72,511,792.80x = 108,767,689.20 × 29,382,403.20
  4. Step 4: Simplify right side
    72,511,792.80x = 3,195,856,099,206,685.50
  5. Step 5: Solve for x
    x = 3,195,856,099,206,685.50/72,511,792.80
  6. Step 6: Final answer
    x = 44,073,604.80

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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.