Home / 197,889,682.37-272,974,302.20-123,420,956.27

Finding the Fourth Proportional to 197,889,682.37, 272,974,302.20 and 123,420,956.27

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Solution

The fourth proportional to 197,889,682.37, 272,974,302.20 and 123,420,956.27 is: 170,250,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,889,682.37 : 272,974,302.20 = 123,420,956.27 : x
  2. Step 2: Convert to fraction form
    197,889,682.37/272,974,302.20 = 123,420,956.27/x
  3. Step 3: Cross multiply
    197,889,682.37x = 272,974,302.20 × 123,420,956.27
  4. Step 4: Simplify right side
    197,889,682.37x = 33,690,749,415,650,948
  5. Step 5: Solve for x
    x = 33,690,749,415,650,948/197,889,682.37
  6. Step 6: Final answer
    x = 170,250,156.61

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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.