Home / 133,760,727.20-200,641,090.80-80,013,015.20

Finding the Fourth Proportional to 133,760,727.20, 200,641,090.80 and 80,013,015.20

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Solution

The fourth proportional to 133,760,727.20, 200,641,090.80 and 80,013,015.20 is: 120,019,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760,727.20 : 200,641,090.80 = 80,013,015.20 : x
  2. Step 2: Convert to fraction form
    133,760,727.20/200,641,090.80 = 80,013,015.20/x
  3. Step 3: Cross multiply
    133,760,727.20x = 200,641,090.80 × 80,013,015.20
  4. Step 4: Simplify right side
    133,760,727.20x = 16,053,898,647,924,982
  5. Step 5: Solve for x
    x = 16,053,898,647,924,982/133,760,727.20
  6. Step 6: Final answer
    x = 120,019,522.80

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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.