Home / 53,892,079.20-80,888,857.20-28,351,418.40

Finding the Fourth Proportional to 53,892,079.20, 80,888,857.20 and 28,351,418.40

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Solution

The fourth proportional to 53,892,079.20, 80,888,857.20 and 28,351,418.40 is: 42,553,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892,079.20 : 80,888,857.20 = 28,351,418.40 : x
  2. Step 2: Convert to fraction form
    53,892,079.20/80,888,857.20 = 28,351,418.40/x
  3. Step 3: Cross multiply
    53,892,079.20x = 80,888,857.20 × 28,351,418.40
  4. Step 4: Simplify right side
    53,892,079.20x = 2,293,313,834,375,052.50
  5. Step 5: Solve for x
    x = 2,293,313,834,375,052.50/53,892,079.20
  6. Step 6: Final answer
    x = 42,553,819.94

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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.