Home / 197,397,830.80-296,096,746.20-191,729,126.80

Finding the Fourth Proportional to 197,397,830.80, 296,096,746.20 and 191,729,126.80

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Solution

The fourth proportional to 197,397,830.80, 296,096,746.20 and 191,729,126.80 is: 287,593,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,397,830.80 : 296,096,746.20 = 191,729,126.80 : x
  2. Step 2: Convert to fraction form
    197,397,830.80/296,096,746.20 = 191,729,126.80/x
  3. Step 3: Cross multiply
    197,397,830.80x = 296,096,746.20 × 191,729,126.80
  4. Step 4: Simplify right side
    197,397,830.80x = 56,770,370,597,247,216
  5. Step 5: Solve for x
    x = 56,770,370,597,247,216/197,397,830.80
  6. Step 6: Final answer
    x = 287,593,690.20

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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.