Home / 21,523,401,081.20-32,285,101,621.80-20,145,906,009.20

Finding the Fourth Proportional to 21,523,401,081.20, 32,285,101,621.80 and 20,145,906,009.20

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Solution

The fourth proportional to 21,523,401,081.20, 32,285,101,621.80 and 20,145,906,009.20 is: 30,218,859,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,401,081.20 : 32,285,101,621.80 = 20,145,906,009.20 : x
  2. Step 2: Convert to fraction form
    21,523,401,081.20/32,285,101,621.80 = 20,145,906,009.20/x
  3. Step 3: Cross multiply
    21,523,401,081.20x = 32,285,101,621.80 × 20,145,906,009.20
  4. Step 4: Simplify right side
    21,523,401,081.20x = 650,412,622,770,253,332,480
  5. Step 5: Solve for x
    x = 650,412,622,770,253,332,480/21,523,401,081.20
  6. Step 6: Final answer
    x = 30,218,859,013.80

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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.