Home / 81,606,922.80-122,410,384.20-27,754,234.80

Finding the Fourth Proportional to 81,606,922.80, 122,410,384.20 and 27,754,234.80

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Solution

The fourth proportional to 81,606,922.80, 122,410,384.20 and 27,754,234.80 is: 41,631,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,606,922.80 : 122,410,384.20 = 27,754,234.80 : x
  2. Step 2: Convert to fraction form
    81,606,922.80/122,410,384.20 = 27,754,234.80/x
  3. Step 3: Cross multiply
    81,606,922.80x = 122,410,384.20 × 27,754,234.80
  4. Step 4: Simplify right side
    81,606,922.80x = 3,397,406,545,045,010.50
  5. Step 5: Solve for x
    x = 3,397,406,545,045,010.50/81,606,922.80
  6. Step 6: Final answer
    x = 41,631,352.20

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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.