Home / 197,591,684.20-296,330,839.26-137,390,047.72

Finding the Fourth Proportional to 197,591,684.20, 296,330,839.26 and 137,390,047.72

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Solution

The fourth proportional to 197,591,684.20, 296,330,839.26 and 137,390,047.72 is: 206,045,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,591,684.20 : 296,330,839.26 = 137,390,047.72 : x
  2. Step 2: Convert to fraction form
    197,591,684.20/296,330,839.26 = 137,390,047.72/x
  3. Step 3: Cross multiply
    197,591,684.20x = 296,330,839.26 × 137,390,047.72
  4. Step 4: Simplify right side
    197,591,684.20x = 40,712,908,146,839,048
  5. Step 5: Solve for x
    x = 40,712,908,146,839,048/197,591,684.20
  6. Step 6: Final answer
    x = 206,045,655.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.