Home / 321,829,672.80-482,744,509.20-106,418,920.80

Finding the Fourth Proportional to 321,829,672.80, 482,744,509.20 and 106,418,920.80

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Solution

The fourth proportional to 321,829,672.80, 482,744,509.20 and 106,418,920.80 is: 159,628,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,829,672.80 : 482,744,509.20 = 106,418,920.80 : x
  2. Step 2: Convert to fraction form
    321,829,672.80/482,744,509.20 = 106,418,920.80/x
  3. Step 3: Cross multiply
    321,829,672.80x = 482,744,509.20 × 106,418,920.80
  4. Step 4: Simplify right side
    321,829,672.80x = 51,373,149,691,189,672
  5. Step 5: Solve for x
    x = 51,373,149,691,189,672/321,829,672.80
  6. Step 6: Final answer
    x = 159,628,381.20

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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.