Home / 83,143,280.80-124,621,609.20-40,033,136.80

Finding the Fourth Proportional to 83,143,280.80, 124,621,609.20 and 40,033,136.80

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Solution

The fourth proportional to 83,143,280.80, 124,621,609.20 and 40,033,136.80 is: 60,004,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,143,280.80 : 124,621,609.20 = 40,033,136.80 : x
  2. Step 2: Convert to fraction form
    83,143,280.80/124,621,609.20 = 40,033,136.80/x
  3. Step 3: Cross multiply
    83,143,280.80x = 124,621,609.20 × 40,033,136.80
  4. Step 4: Simplify right side
    83,143,280.80x = 4,988,993,929,339,738
  5. Step 5: Solve for x
    x = 4,988,993,929,339,738/83,143,280.80
  6. Step 6: Final answer
    x = 60,004,775.87

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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.