Home / 206,008,627.07-308,965,001.16-76,677,145.31

Finding the Fourth Proportional to 206,008,627.07, 308,965,001.16 and 76,677,145.31

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Solution

The fourth proportional to 206,008,627.07, 308,965,001.16 and 76,677,145.31 is: 114,997,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,008,627.07 : 308,965,001.16 = 76,677,145.31 : x
  2. Step 2: Convert to fraction form
    206,008,627.07/308,965,001.16 = 76,677,145.31/x
  3. Step 3: Cross multiply
    206,008,627.07x = 308,965,001.16 × 76,677,145.31
  4. Step 4: Simplify right side
    206,008,627.07x = 23,690,554,289,649,640
  5. Step 5: Solve for x
    x = 23,690,554,289,649,640/206,008,627.07
  6. Step 6: Final answer
    x = 114,997,874.73

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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.