Home / 106,581,606.40-159,659,833.20-74,269,993.60

Finding the Fourth Proportional to 106,581,606.40, 159,659,833.20 and 74,269,993.60

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Solution

The fourth proportional to 106,581,606.40, 159,659,833.20 and 74,269,993.60 is: 111,256,859.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581,606.40 : 159,659,833.20 = 74,269,993.60 : x
  2. Step 2: Convert to fraction form
    106,581,606.40/159,659,833.20 = 74,269,993.60/x
  3. Step 3: Cross multiply
    106,581,606.40x = 159,659,833.20 × 74,269,993.60
  4. Step 4: Simplify right side
    106,581,606.40x = 11,857,934,789,941,066
  5. Step 5: Solve for x
    x = 11,857,934,789,941,066/106,581,606.40
  6. Step 6: Final answer
    x = 111,256,859.33

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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.