Home / 197,243,999.80-295,865,999.70-82,311,026.20

Finding the Fourth Proportional to 197,243,999.80, 295,865,999.70 and 82,311,026.20

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Solution

The fourth proportional to 197,243,999.80, 295,865,999.70 and 82,311,026.20 is: 123,466,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,243,999.80 : 295,865,999.70 = 82,311,026.20 : x
  2. Step 2: Convert to fraction form
    197,243,999.80/295,865,999.70 = 82,311,026.20/x
  3. Step 3: Cross multiply
    197,243,999.80x = 295,865,999.70 × 82,311,026.20
  4. Step 4: Simplify right side
    197,243,999.80x = 24,353,034,052,995,892
  5. Step 5: Solve for x
    x = 24,353,034,052,995,892/197,243,999.80
  6. Step 6: Final answer
    x = 123,466,539.30

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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.