Home / 71,482,696.03-107,206,329.34-20,365,157.71

Finding the Fourth Proportional to 71,482,696.03, 107,206,329.34 and 20,365,157.71

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Solution

The fourth proportional to 71,482,696.03, 107,206,329.34 and 20,365,157.71 is: 30,542,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,482,696.03 : 107,206,329.34 = 20,365,157.71 : x
  2. Step 2: Convert to fraction form
    71,482,696.03/107,206,329.34 = 20,365,157.71/x
  3. Step 3: Cross multiply
    71,482,696.03x = 107,206,329.34 × 20,365,157.71
  4. Step 4: Simplify right side
    71,482,696.03x = 2,183,273,804,519,300.50
  5. Step 5: Solve for x
    x = 2,183,273,804,519,300.50/71,482,696.03
  6. Step 6: Final answer
    x = 30,542,689.71

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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.