Home / 313,918,533.70-433,204,138.49-172,786,736.69

Finding the Fourth Proportional to 313,918,533.70, 433,204,138.49 and 172,786,736.69

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Solution

The fourth proportional to 313,918,533.70, 433,204,138.49 and 172,786,736.69 is: 238,443,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,533.70 : 433,204,138.49 = 172,786,736.69 : x
  2. Step 2: Convert to fraction form
    313,918,533.70/433,204,138.49 = 172,786,736.69/x
  3. Step 3: Cross multiply
    313,918,533.70x = 433,204,138.49 × 172,786,736.69
  4. Step 4: Simplify right side
    313,918,533.70x = 74,851,929,409,858,992
  5. Step 5: Solve for x
    x = 74,851,929,409,858,992/313,918,533.70
  6. Step 6: Final answer
    x = 238,443,804.28

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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.