Home / 81,727,758,313.08-122,532,801,625.56-50,220,311,405.46

Finding the Fourth Proportional to 81,727,758,313.08, 122,532,801,625.56 and 50,220,311,405.46

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Solution

The fourth proportional to 81,727,758,313.08, 122,532,801,625.56 and 50,220,311,405.46 is: 75,294,313,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,727,758,313.08 : 122,532,801,625.56 = 50,220,311,405.46 : x
  2. Step 2: Convert to fraction form
    81,727,758,313.08/122,532,801,625.56 = 50,220,311,405.46/x
  3. Step 3: Cross multiply
    81,727,758,313.08x = 122,532,801,625.56 × 50,220,311,405.46
  4. Step 4: Simplify right side
    81,727,758,313.08x = 6,153,635,455,019,078,647,808
  5. Step 5: Solve for x
    x = 6,153,635,455,019,078,647,808/81,727,758,313.08
  6. Step 6: Final answer
    x = 75,294,313,487.05

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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.