Home / 172,970,872.29-238,959,073.49-113,573,089.53

Finding the Fourth Proportional to 172,970,872.29, 238,959,073.49 and 113,573,089.53

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Solution

The fourth proportional to 172,970,872.29, 238,959,073.49 and 113,573,089.53 is: 156,901,100.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,970,872.29 : 238,959,073.49 = 113,573,089.53 : x
  2. Step 2: Convert to fraction form
    172,970,872.29/238,959,073.49 = 113,573,089.53/x
  3. Step 3: Cross multiply
    172,970,872.29x = 238,959,073.49 × 113,573,089.53
  4. Step 4: Simplify right side
    172,970,872.29x = 27,139,320,246,917,756
  5. Step 5: Solve for x
    x = 27,139,320,246,917,756/172,970,872.29
  6. Step 6: Final answer
    x = 156,901,100.67

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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.