Home / 171,936,207.60-257,904,311.40-137,923,983.60

Finding the Fourth Proportional to 171,936,207.60, 257,904,311.40 and 137,923,983.60

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Solution

The fourth proportional to 171,936,207.60, 257,904,311.40 and 137,923,983.60 is: 206,885,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,936,207.60 : 257,904,311.40 = 137,923,983.60 : x
  2. Step 2: Convert to fraction form
    171,936,207.60/257,904,311.40 = 137,923,983.60/x
  3. Step 3: Cross multiply
    171,936,207.60x = 257,904,311.40 × 137,923,983.60
  4. Step 4: Simplify right side
    171,936,207.60x = 35,571,190,015,902,892
  5. Step 5: Solve for x
    x = 35,571,190,015,902,892/171,936,207.60
  6. Step 6: Final answer
    x = 206,885,975.40

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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.