Home / 197,243,653.80-295,865,480.70-82,310,680.20

Finding the Fourth Proportional to 197,243,653.80, 295,865,480.70 and 82,310,680.20

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Solution

The fourth proportional to 197,243,653.80, 295,865,480.70 and 82,310,680.20 is: 123,466,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,243,653.80 : 295,865,480.70 = 82,310,680.20 : x
  2. Step 2: Convert to fraction form
    197,243,653.80/295,865,480.70 = 82,310,680.20/x
  3. Step 3: Cross multiply
    197,243,653.80x = 295,865,480.70 × 82,310,680.20
  4. Step 4: Simplify right side
    197,243,653.80x = 24,352,888,964,116,972
  5. Step 5: Solve for x
    x = 24,352,888,964,116,972/197,243,653.80
  6. Step 6: Final answer
    x = 123,466,020.30

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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.