Home / 286,959,556.32-430,436,497.86-131,469,259.08

Finding the Fourth Proportional to 286,959,556.32, 430,436,497.86 and 131,469,259.08

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Solution

The fourth proportional to 286,959,556.32, 430,436,497.86 and 131,469,259.08 is: 197,202,589.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,959,556.32 : 430,436,497.86 = 131,469,259.08 : x
  2. Step 2: Convert to fraction form
    286,959,556.32/430,436,497.86 = 131,469,259.08/x
  3. Step 3: Cross multiply
    286,959,556.32x = 430,436,497.86 × 131,469,259.08
  4. Step 4: Simplify right side
    286,959,556.32x = 56,589,167,454,644,208
  5. Step 5: Solve for x
    x = 56,589,167,454,644,208/286,959,556.32
  6. Step 6: Final answer
    x = 197,202,589.04

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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.