Home / 111,091,372.78-166,637,611.32-45,548,310.64

Finding the Fourth Proportional to 111,091,372.78, 166,637,611.32 and 45,548,310.64

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Solution

The fourth proportional to 111,091,372.78, 166,637,611.32 and 45,548,310.64 is: 68,322,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091,372.78 : 166,637,611.32 = 45,548,310.64 : x
  2. Step 2: Convert to fraction form
    111,091,372.78/166,637,611.32 = 45,548,310.64/x
  3. Step 3: Cross multiply
    111,091,372.78x = 166,637,611.32 × 45,548,310.64
  4. Step 4: Simplify right side
    111,091,372.78x = 7,590,061,684,710,940
  5. Step 5: Solve for x
    x = 7,590,061,684,710,940/111,091,372.78
  6. Step 6: Final answer
    x = 68,322,692.35

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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.