Home / 307,867,047.36-424,856,391.11-166,738,274.24

Finding the Fourth Proportional to 307,867,047.36, 424,856,391.11 and 166,738,274.24

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Solution

The fourth proportional to 307,867,047.36, 424,856,391.11 and 166,738,274.24 is: 230,098,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,867,047.36 : 424,856,391.11 = 166,738,274.24 : x
  2. Step 2: Convert to fraction form
    307,867,047.36/424,856,391.11 = 166,738,274.24/x
  3. Step 3: Cross multiply
    307,867,047.36x = 424,856,391.11 × 166,738,274.24
  4. Step 4: Simplify right side
    307,867,047.36x = 70,839,821,450,557,912
  5. Step 5: Solve for x
    x = 70,839,821,450,557,912/307,867,047.36
  6. Step 6: Final answer
    x = 230,098,745.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.