Home / 301,782,326.78-452,351,213.84-172,110,722.78

Finding the Fourth Proportional to 301,782,326.78, 452,351,213.84 and 172,110,722.78

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Solution

The fourth proportional to 301,782,326.78, 452,351,213.84 and 172,110,722.78 is: 257,982,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,782,326.78 : 452,351,213.84 = 172,110,722.78 : x
  2. Step 2: Convert to fraction form
    301,782,326.78/452,351,213.84 = 172,110,722.78/x
  3. Step 3: Cross multiply
    301,782,326.78x = 452,351,213.84 × 172,110,722.78
  4. Step 4: Simplify right side
    301,782,326.78x = 77,854,494,361,290,432
  5. Step 5: Solve for x
    x = 77,854,494,361,290,432/301,782,326.78
  6. Step 6: Final answer
    x = 257,982,285.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.