Home / 220,065,136.20-330,097,704.30-143,537,632.20

Finding the Fourth Proportional to 220,065,136.20, 330,097,704.30 and 143,537,632.20

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Solution

The fourth proportional to 220,065,136.20, 330,097,704.30 and 143,537,632.20 is: 215,306,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,136.20 : 330,097,704.30 = 143,537,632.20 : x
  2. Step 2: Convert to fraction form
    220,065,136.20/330,097,704.30 = 143,537,632.20/x
  3. Step 3: Cross multiply
    220,065,136.20x = 330,097,704.30 × 143,537,632.20
  4. Step 4: Simplify right side
    220,065,136.20x = 47,381,442,869,877,760
  5. Step 5: Solve for x
    x = 47,381,442,869,877,760/220,065,136.20
  6. Step 6: Final answer
    x = 215,306,448.30

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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.