Home / 66,529,378.40-99,794,067.60-56,787,605.60

Finding the Fourth Proportional to 66,529,378.40, 99,794,067.60 and 56,787,605.60

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Solution

The fourth proportional to 66,529,378.40, 99,794,067.60 and 56,787,605.60 is: 85,181,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,378.40 : 99,794,067.60 = 56,787,605.60 : x
  2. Step 2: Convert to fraction form
    66,529,378.40/99,794,067.60 = 56,787,605.60/x
  3. Step 3: Cross multiply
    66,529,378.40x = 99,794,067.60 × 56,787,605.60
  4. Step 4: Simplify right side
    66,529,378.40x = 5,667,066,152,088,538
  5. Step 5: Solve for x
    x = 5,667,066,152,088,538/66,529,378.40
  6. Step 6: Final answer
    x = 85,181,408.40

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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.