Home / 83,168,465.52-124,707,033.72-25,644,766.80

Finding the Fourth Proportional to 83,168,465.52, 124,707,033.72 and 25,644,766.80

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Solution

The fourth proportional to 83,168,465.52, 124,707,033.72 and 25,644,766.80 is: 38,453,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,168,465.52 : 124,707,033.72 = 25,644,766.80 : x
  2. Step 2: Convert to fraction form
    83,168,465.52/124,707,033.72 = 25,644,766.80/x
  3. Step 3: Cross multiply
    83,168,465.52x = 124,707,033.72 × 25,644,766.80
  4. Step 4: Simplify right side
    83,168,465.52x = 3,198,082,798,069,136.50
  5. Step 5: Solve for x
    x = 3,198,082,798,069,136.50/83,168,465.52
  6. Step 6: Final answer
    x = 38,453,069.66

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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.