Home / 313,322,453.01-432,395,351.88-172,198,675.69

Finding the Fourth Proportional to 313,322,453.01, 432,395,351.88 and 172,198,675.69

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Solution

The fourth proportional to 313,322,453.01, 432,395,351.88 and 172,198,675.69 is: 237,639,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,322,453.01 : 432,395,351.88 = 172,198,675.69 : x
  2. Step 2: Convert to fraction form
    313,322,453.01/432,395,351.88 = 172,198,675.69/x
  3. Step 3: Cross multiply
    313,322,453.01x = 432,395,351.88 × 172,198,675.69
  4. Step 4: Simplify right side
    313,322,453.01x = 74,457,906,968,247,552
  5. Step 5: Solve for x
    x = 74,457,906,968,247,552/313,322,453.01
  6. Step 6: Final answer
    x = 237,639,869.89

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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.