Home / 146,983,320.90-202,835,373.21-80,902,406.34

Finding the Fourth Proportional to 146,983,320.90, 202,835,373.21 and 80,902,406.34

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Solution

The fourth proportional to 146,983,320.90, 202,835,373.21 and 80,902,406.34 is: 111,644,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983,320.90 : 202,835,373.21 = 80,902,406.34 : x
  2. Step 2: Convert to fraction form
    146,983,320.90/202,835,373.21 = 80,902,406.34/x
  3. Step 3: Cross multiply
    146,983,320.90x = 202,835,373.21 × 80,902,406.34
  4. Step 4: Simplify right side
    146,983,320.90x = 16,409,869,783,560,972
  5. Step 5: Solve for x
    x = 16,409,869,783,560,972/146,983,320.90
  6. Step 6: Final answer
    x = 111,644,434.78

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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.