Home / 106,372,329.81-159,231,238.70-69,404,619.37

Finding the Fourth Proportional to 106,372,329.81, 159,231,238.70 and 69,404,619.37

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Solution

The fourth proportional to 106,372,329.81, 159,231,238.70 and 69,404,619.37 is: 103,893,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,372,329.81 : 159,231,238.70 = 69,404,619.37 : x
  2. Step 2: Convert to fraction form
    106,372,329.81/159,231,238.70 = 69,404,619.37/x
  3. Step 3: Cross multiply
    106,372,329.81x = 159,231,238.70 × 69,404,619.37
  4. Step 4: Simplify right side
    106,372,329.81x = 11,051,383,513,562,548
  5. Step 5: Solve for x
    x = 11,051,383,513,562,548/106,372,329.81
  6. Step 6: Final answer
    x = 103,893,404.74

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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.