Home / 57,946,752,942.80-86,920,129,414.20-20,723,774,997.20

Finding the Fourth Proportional to 57,946,752,942.80, 86,920,129,414.20 and 20,723,774,997.20

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Solution

The fourth proportional to 57,946,752,942.80, 86,920,129,414.20 and 20,723,774,997.20 is: 31,085,662,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,946,752,942.80 : 86,920,129,414.20 = 20,723,774,997.20 : x
  2. Step 2: Convert to fraction form
    57,946,752,942.80/86,920,129,414.20 = 20,723,774,997.20/x
  3. Step 3: Cross multiply
    57,946,752,942.80x = 86,920,129,414.20 × 20,723,774,997.20
  4. Step 4: Simplify right side
    57,946,752,942.80x = 1,801,313,204,707,386,195,968
  5. Step 5: Solve for x
    x = 1,801,313,204,707,386,195,968/57,946,752,942.80
  6. Step 6: Final answer
    x = 31,085,662,495.80

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1.5x scale

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.