Home / 81,767,647,211.57-122,548,299,358.90-41,440,631,502.60

Finding the Fourth Proportional to 81,767,647,211.57, 122,548,299,358.90 and 41,440,631,502.60

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Solution

The fourth proportional to 81,767,647,211.57, 122,548,299,358.90 and 41,440,631,502.60 is: 62,108,658,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,767,647,211.57 : 122,548,299,358.90 = 41,440,631,502.60 : x
  2. Step 2: Convert to fraction form
    81,767,647,211.57/122,548,299,358.90 = 41,440,631,502.60/x
  3. Step 3: Cross multiply
    81,767,647,211.57x = 122,548,299,358.90 × 41,440,631,502.60
  4. Step 4: Simplify right side
    81,767,647,211.57x = 5,078,478,915,002,485,964,800
  5. Step 5: Solve for x
    x = 5,078,478,915,002,485,964,800/81,767,647,211.57
  6. Step 6: Final answer
    x = 62,108,658,964.62

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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.