Home / 146,983,318.37-202,835,369.72-80,902,403.81

Finding the Fourth Proportional to 146,983,318.37, 202,835,369.72 and 80,902,403.81

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Solution

The fourth proportional to 146,983,318.37, 202,835,369.72 and 80,902,403.81 is: 111,644,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983,318.37 : 202,835,369.72 = 80,902,403.81 : x
  2. Step 2: Convert to fraction form
    146,983,318.37/202,835,369.72 = 80,902,403.81/x
  3. Step 3: Cross multiply
    146,983,318.37x = 202,835,369.72 × 80,902,403.81
  4. Step 4: Simplify right side
    146,983,318.37x = 16,409,868,987,532,128
  5. Step 5: Solve for x
    x = 16,409,868,987,532,128/146,983,318.37
  6. Step 6: Final answer
    x = 111,644,431.28

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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.