Home / 220,940,647.31-331,035,939.10-133,318,056.46

Finding the Fourth Proportional to 220,940,647.31, 331,035,939.10 and 133,318,056.46

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Solution

The fourth proportional to 220,940,647.31, 331,035,939.10 and 133,318,056.46 is: 199,750,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,940,647.31 : 331,035,939.10 = 133,318,056.46 : x
  2. Step 2: Convert to fraction form
    220,940,647.31/331,035,939.10 = 133,318,056.46/x
  3. Step 3: Cross multiply
    220,940,647.31x = 331,035,939.10 × 133,318,056.46
  4. Step 4: Simplify right side
    220,940,647.31x = 44,133,068,016,901,152
  5. Step 5: Solve for x
    x = 44,133,068,016,901,152/220,940,647.31
  6. Step 6: Final answer
    x = 199,750,786.26

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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.