Home / 204,767,999.20-307,151,998.80-135,893,245.60

Finding the Fourth Proportional to 204,767,999.20, 307,151,998.80 and 135,893,245.60

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Solution

The fourth proportional to 204,767,999.20, 307,151,998.80 and 135,893,245.60 is: 203,839,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,767,999.20 : 307,151,998.80 = 135,893,245.60 : x
  2. Step 2: Convert to fraction form
    204,767,999.20/307,151,998.80 = 135,893,245.60/x
  3. Step 3: Cross multiply
    204,767,999.20x = 307,151,998.80 × 135,893,245.60
  4. Step 4: Simplify right side
    204,767,999.20x = 41,739,882,009,459,304
  5. Step 5: Solve for x
    x = 41,739,882,009,459,304/204,767,999.20
  6. Step 6: Final answer
    x = 203,839,868.40

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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.