Home / 143,828,065.45-198,467,918.85-106,171,263.37

Finding the Fourth Proportional to 143,828,065.45, 198,467,918.85 and 106,171,263.37

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Solution

The fourth proportional to 143,828,065.45, 198,467,918.85 and 106,171,263.37 is: 146,505,409.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,828,065.45 : 198,467,918.85 = 106,171,263.37 : x
  2. Step 2: Convert to fraction form
    143,828,065.45/198,467,918.85 = 106,171,263.37/x
  3. Step 3: Cross multiply
    143,828,065.45x = 198,467,918.85 × 106,171,263.37
  4. Step 4: Simplify right side
    143,828,065.45x = 21,071,589,682,719,136
  5. Step 5: Solve for x
    x = 21,071,589,682,719,136/143,828,065.45
  6. Step 6: Final answer
    x = 146,505,409.89

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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.