Home / 55,992,891.20-83,989,336.80-15,603,375.20

Finding the Fourth Proportional to 55,992,891.20, 83,989,336.80 and 15,603,375.20

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Solution

The fourth proportional to 55,992,891.20, 83,989,336.80 and 15,603,375.20 is: 23,405,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,992,891.20 : 83,989,336.80 = 15,603,375.20 : x
  2. Step 2: Convert to fraction form
    55,992,891.20/83,989,336.80 = 15,603,375.20/x
  3. Step 3: Cross multiply
    55,992,891.20x = 83,989,336.80 × 15,603,375.20
  4. Step 4: Simplify right side
    55,992,891.20x = 1,310,517,134,889,567.25
  5. Step 5: Solve for x
    x = 1,310,517,134,889,567.25/55,992,891.20
  6. Step 6: Final answer
    x = 23,405,062.80

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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.