Home / 190,355,305.50-262,691,896.23-103,435,177.50

Finding the Fourth Proportional to 190,355,305.50, 262,691,896.23 and 103,435,177.50

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Solution

The fourth proportional to 190,355,305.50, 262,691,896.23 and 103,435,177.50 is: 142,741,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,355,305.50 : 262,691,896.23 = 103,435,177.50 : x
  2. Step 2: Convert to fraction form
    190,355,305.50/262,691,896.23 = 103,435,177.50/x
  3. Step 3: Cross multiply
    190,355,305.50x = 262,691,896.23 × 103,435,177.50
  4. Step 4: Simplify right side
    190,355,305.50x = 27,171,582,914,361,628
  5. Step 5: Solve for x
    x = 27,171,582,914,361,628/190,355,305.50
  6. Step 6: Final answer
    x = 142,741,400.58

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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.