Home / 81,000,921.73-121,529,791.75-23,496,643.57

Finding the Fourth Proportional to 81,000,921.73, 121,529,791.75 and 23,496,643.57

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Solution

The fourth proportional to 81,000,921.73, 121,529,791.75 and 23,496,643.57 is: 35,253,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,000,921.73 : 121,529,791.75 = 23,496,643.57 : x
  2. Step 2: Convert to fraction form
    81,000,921.73/121,529,791.75 = 23,496,643.57/x
  3. Step 3: Cross multiply
    81,000,921.73x = 121,529,791.75 × 23,496,643.57
  4. Step 4: Simplify right side
    81,000,921.73x = 2,855,542,199,795,553
  5. Step 5: Solve for x
    x = 2,855,542,199,795,553/81,000,921.73
  6. Step 6: Final answer
    x = 35,253,206.25

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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.