Home / 313,918,491.05-433,204,079.89-172,786,694.04

Finding the Fourth Proportional to 313,918,491.05, 433,204,079.89 and 172,786,694.04

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Solution

The fourth proportional to 313,918,491.05, 433,204,079.89 and 172,786,694.04 is: 238,443,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,491.05 : 433,204,079.89 = 172,786,694.04 : x
  2. Step 2: Convert to fraction form
    313,918,491.05/433,204,079.89 = 172,786,694.04/x
  3. Step 3: Cross multiply
    313,918,491.05x = 433,204,079.89 × 172,786,694.04
  4. Step 4: Simplify right side
    313,918,491.05x = 74,851,900,807,994,240
  5. Step 5: Solve for x
    x = 74,851,900,807,994,240/313,918,491.05
  6. Step 6: Final answer
    x = 238,443,745.56

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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.