Home / 76,964,907,552.15-115,366,546,884.94-25,895,474,271.72

Finding the Fourth Proportional to 76,964,907,552.15, 115,366,546,884.94 and 25,895,474,271.72

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Solution

The fourth proportional to 76,964,907,552.15, 115,366,546,884.94 and 25,895,474,271.72 is: 38,816,020,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,964,907,552.15 : 115,366,546,884.94 = 25,895,474,271.72 : x
  2. Step 2: Convert to fraction form
    76,964,907,552.15/115,366,546,884.94 = 25,895,474,271.72/x
  3. Step 3: Cross multiply
    76,964,907,552.15x = 115,366,546,884.94 × 25,895,474,271.72
  4. Step 4: Simplify right side
    76,964,907,552.15x = 2,987,471,446,676,143,079,424
  5. Step 5: Solve for x
    x = 2,987,471,446,676,143,079,424/76,964,907,552.15
  6. Step 6: Final answer
    x = 38,816,020,725.44

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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.