Home / 313,918,544.76-433,204,153.76-172,786,747.77

Finding the Fourth Proportional to 313,918,544.76, 433,204,153.76 and 172,786,747.77

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Solution

The fourth proportional to 313,918,544.76, 433,204,153.76 and 172,786,747.77 is: 238,443,819.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,918,544.76 : 433,204,153.76 = 172,786,747.77 : x
  2. Step 2: Convert to fraction form
    313,918,544.76/433,204,153.76 = 172,786,747.77/x
  3. Step 3: Cross multiply
    313,918,544.76x = 433,204,153.76 × 172,786,747.77
  4. Step 4: Simplify right side
    313,918,544.76x = 74,851,936,848,645,424
  5. Step 5: Solve for x
    x = 74,851,936,848,645,424/313,918,544.76
  6. Step 6: Final answer
    x = 238,443,819.58

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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.