Home / 198,309,833.74-273,379,138.32-138,585,706.98

Finding the Fourth Proportional to 198,309,833.74, 273,379,138.32 and 138,585,706.98

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Solution

The fourth proportional to 198,309,833.74, 273,379,138.32 and 138,585,706.98 is: 191,046,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,309,833.74 : 273,379,138.32 = 138,585,706.98 : x
  2. Step 2: Convert to fraction form
    198,309,833.74/273,379,138.32 = 138,585,706.98/x
  3. Step 3: Cross multiply
    198,309,833.74x = 273,379,138.32 × 138,585,706.98
  4. Step 4: Simplify right side
    198,309,833.74x = 37,886,441,157,660,408
  5. Step 5: Solve for x
    x = 37,886,441,157,660,408/198,309,833.74
  6. Step 6: Final answer
    x = 191,046,709.30

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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.