Home / 190,640,128.23-263,062,326.85-106,989,072.82

Finding the Fourth Proportional to 190,640,128.23, 263,062,326.85 and 106,989,072.82

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Solution

The fourth proportional to 190,640,128.23, 263,062,326.85 and 106,989,072.82 is: 147,633,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640,128.23 : 263,062,326.85 = 106,989,072.82 : x
  2. Step 2: Convert to fraction form
    190,640,128.23/263,062,326.85 = 106,989,072.82/x
  3. Step 3: Cross multiply
    190,640,128.23x = 263,062,326.85 × 106,989,072.82
  4. Step 4: Simplify right side
    190,640,128.23x = 28,144,794,442,628,160
  5. Step 5: Solve for x
    x = 28,144,794,442,628,160/190,640,128.23
  6. Step 6: Final answer
    x = 147,633,106.96

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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.