Home / 321,057,401.20-481,586,101.80-219,020,729.20

Finding the Fourth Proportional to 321,057,401.20, 481,586,101.80 and 219,020,729.20

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Solution

The fourth proportional to 321,057,401.20, 481,586,101.80 and 219,020,729.20 is: 328,531,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,057,401.20 : 481,586,101.80 = 219,020,729.20 : x
  2. Step 2: Convert to fraction form
    321,057,401.20/481,586,101.80 = 219,020,729.20/x
  3. Step 3: Cross multiply
    321,057,401.20x = 481,586,101.80 × 219,020,729.20
  4. Step 4: Simplify right side
    321,057,401.20x = 105,477,339,188,821,424
  5. Step 5: Solve for x
    x = 105,477,339,188,821,424/321,057,401.20
  6. Step 6: Final answer
    x = 328,531,093.80

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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.