Home / 80,504,929,411.20-120,757,394,116.80-21,622,967,222.40

Finding the Fourth Proportional to 80,504,929,411.20, 120,757,394,116.80 and 21,622,967,222.40

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Solution

The fourth proportional to 80,504,929,411.20, 120,757,394,116.80 and 21,622,967,222.40 is: 32,434,450,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504,929,411.20 : 120,757,394,116.80 = 21,622,967,222.40 : x
  2. Step 2: Convert to fraction form
    80,504,929,411.20/120,757,394,116.80 = 21,622,967,222.40/x
  3. Step 3: Cross multiply
    80,504,929,411.20x = 120,757,394,116.80 × 21,622,967,222.40
  4. Step 4: Simplify right side
    80,504,929,411.20x = 2,611,133,174,850,005,237,760
  5. Step 5: Solve for x
    x = 2,611,133,174,850,005,237,760/80,504,929,411.20
  6. Step 6: Final answer
    x = 32,434,450,833.60

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Double scale
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Similar ratio
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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.