Home / 133,455,999.90-200,183,999.85-82,171,724.70

Finding the Fourth Proportional to 133,455,999.90, 200,183,999.85 and 82,171,724.70

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Solution

The fourth proportional to 133,455,999.90, 200,183,999.85 and 82,171,724.70 is: 123,257,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,455,999.90 : 200,183,999.85 = 82,171,724.70 : x
  2. Step 2: Convert to fraction form
    133,455,999.90/200,183,999.85 = 82,171,724.70/x
  3. Step 3: Cross multiply
    133,455,999.90x = 200,183,999.85 × 82,171,724.70
  4. Step 4: Simplify right side
    133,455,999.90x = 16,449,464,525,019,042
  5. Step 5: Solve for x
    x = 16,449,464,525,019,042/133,455,999.90
  6. Step 6: Final answer
    x = 123,257,587.05

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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.