Home / 199,126,471.68-274,812,576.24-120,829,859.64

Finding the Fourth Proportional to 199,126,471.68, 274,812,576.24 and 120,829,859.64

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Solution

The fourth proportional to 199,126,471.68, 274,812,576.24 and 120,829,859.64 is: 166,756,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,126,471.68 : 274,812,576.24 = 120,829,859.64 : x
  2. Step 2: Convert to fraction form
    199,126,471.68/274,812,576.24 = 120,829,859.64/x
  3. Step 3: Cross multiply
    199,126,471.68x = 274,812,576.24 × 120,829,859.64
  4. Step 4: Simplify right side
    199,126,471.68x = 33,205,565,014,386,000
  5. Step 5: Solve for x
    x = 33,205,565,014,386,000/199,126,471.68
  6. Step 6: Final answer
    x = 166,756,156.20

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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.