Home / 146,983,321.10-202,835,373.47-80,902,406.54

Finding the Fourth Proportional to 146,983,321.10, 202,835,373.47 and 80,902,406.54

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Solution

The fourth proportional to 146,983,321.10, 202,835,373.47 and 80,902,406.54 is: 111,644,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983,321.10 : 202,835,373.47 = 80,902,406.54 : x
  2. Step 2: Convert to fraction form
    146,983,321.10/202,835,373.47 = 80,902,406.54/x
  3. Step 3: Cross multiply
    146,983,321.10x = 202,835,373.47 × 80,902,406.54
  4. Step 4: Simplify right side
    146,983,321.10x = 16,409,869,843,743,982
  5. Step 5: Solve for x
    x = 16,409,869,843,743,982/146,983,321.10
  6. Step 6: Final answer
    x = 111,644,435.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.