Home / 203,829,718.78-281,288,247.84-115,721,918.56

Finding the Fourth Proportional to 203,829,718.78, 281,288,247.84 and 115,721,918.56

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Solution

The fourth proportional to 203,829,718.78, 281,288,247.84 and 115,721,918.56 is: 159,698,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,829,718.78 : 281,288,247.84 = 115,721,918.56 : x
  2. Step 2: Convert to fraction form
    203,829,718.78/281,288,247.84 = 115,721,918.56/x
  3. Step 3: Cross multiply
    203,829,718.78x = 281,288,247.84 × 115,721,918.56
  4. Step 4: Simplify right side
    203,829,718.78x = 32,551,215,706,440,524
  5. Step 5: Solve for x
    x = 32,551,215,706,440,524/203,829,718.78
  6. Step 6: Final answer
    x = 159,698,084.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.