Home / 111,305,598.72-166,984,047.90-38,522,380.32

Finding the Fourth Proportional to 111,305,598.72, 166,984,047.90 and 38,522,380.32

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Solution

The fourth proportional to 111,305,598.72, 166,984,047.90 and 38,522,380.32 is: 57,792,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305,598.72 : 166,984,047.90 = 38,522,380.32 : x
  2. Step 2: Convert to fraction form
    111,305,598.72/166,984,047.90 = 38,522,380.32/x
  3. Step 3: Cross multiply
    111,305,598.72x = 166,984,047.90 × 38,522,380.32
  4. Step 4: Simplify right side
    111,305,598.72x = 6,432,623,000,576,898
  5. Step 5: Solve for x
    x = 6,432,623,000,576,898/111,305,598.72
  6. Step 6: Final answer
    x = 57,792,447.77

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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.