Home / 190,640,138.75-263,062,341.27-106,989,083.22

Finding the Fourth Proportional to 190,640,138.75, 263,062,341.27 and 106,989,083.22

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Solution

The fourth proportional to 190,640,138.75, 263,062,341.27 and 106,989,083.22 is: 147,633,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640,138.75 : 263,062,341.27 = 106,989,083.22 : x
  2. Step 2: Convert to fraction form
    190,640,138.75/263,062,341.27 = 106,989,083.22/x
  3. Step 3: Cross multiply
    190,640,138.75x = 263,062,341.27 × 106,989,083.22
  4. Step 4: Simplify right side
    190,640,138.75x = 28,144,798,722,184,072
  5. Step 5: Solve for x
    x = 28,144,798,722,184,072/190,640,138.75
  6. Step 6: Final answer
    x = 147,633,121.26

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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.