Home / 66,529,331.40-99,793,997.10-56,787,558.60

Finding the Fourth Proportional to 66,529,331.40, 99,793,997.10 and 56,787,558.60

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Solution

The fourth proportional to 66,529,331.40, 99,793,997.10 and 56,787,558.60 is: 85,181,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,331.40 : 99,793,997.10 = 56,787,558.60 : x
  2. Step 2: Convert to fraction form
    66,529,331.40/99,793,997.10 = 56,787,558.60/x
  3. Step 3: Cross multiply
    66,529,331.40x = 99,793,997.10 × 56,787,558.60
  4. Step 4: Simplify right side
    66,529,331.40x = 5,667,057,458,244,480
  5. Step 5: Solve for x
    x = 5,667,057,458,244,480/66,529,331.40
  6. Step 6: Final answer
    x = 85,181,337.90

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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.