Home / 190,245,866.94-262,540,640.07-103,325,738.94

Finding the Fourth Proportional to 190,245,866.94, 262,540,640.07 and 103,325,738.94

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Solution

The fourth proportional to 190,245,866.94, 262,540,640.07 and 103,325,738.94 is: 142,590,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245,866.94 : 262,540,640.07 = 103,325,738.94 : x
  2. Step 2: Convert to fraction form
    190,245,866.94/262,540,640.07 = 103,325,738.94/x
  3. Step 3: Cross multiply
    190,245,866.94x = 262,540,640.07 × 103,325,738.94
  4. Step 4: Simplify right side
    190,245,866.94x = 27,127,205,637,013,320
  5. Step 5: Solve for x
    x = 27,127,205,637,013,320/190,245,866.94
  6. Step 6: Final answer
    x = 142,590,249.52

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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.