Home / 142,957,704.26-197,273,343.85-80,227,944.79

Finding the Fourth Proportional to 142,957,704.26, 197,273,343.85 and 80,227,944.79

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Solution

The fourth proportional to 142,957,704.26, 197,273,343.85 and 80,227,944.79 is: 110,709,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,957,704.26 : 197,273,343.85 = 80,227,944.79 : x
  2. Step 2: Convert to fraction form
    142,957,704.26/197,273,343.85 = 80,227,944.79/x
  3. Step 3: Cross multiply
    142,957,704.26x = 197,273,343.85 × 80,227,944.79
  4. Step 4: Simplify right side
    142,957,704.26x = 15,826,834,938,242,732
  5. Step 5: Solve for x
    x = 15,826,834,938,242,732/142,957,704.26
  6. Step 6: Final answer
    x = 110,709,912.56

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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.