Home / 81,650,687.10-122,334,313.05-52,882,014.30

Finding the Fourth Proportional to 81,650,687.10, 122,334,313.05 and 52,882,014.30

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Solution

The fourth proportional to 81,650,687.10, 122,334,313.05 and 52,882,014.30 is: 79,231,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650,687.10 : 122,334,313.05 = 52,882,014.30 : x
  2. Step 2: Convert to fraction form
    81,650,687.10/122,334,313.05 = 52,882,014.30/x
  3. Step 3: Cross multiply
    81,650,687.10x = 122,334,313.05 × 52,882,014.30
  4. Step 4: Simplify right side
    81,650,687.10x = 6,469,284,892,090,776
  5. Step 5: Solve for x
    x = 6,469,284,892,090,776/81,650,687.10
  6. Step 6: Final answer
    x = 79,231,236.40

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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.