Home / 190,640,205.41-263,062,432.80-106,989,149.72

Finding the Fourth Proportional to 190,640,205.41, 263,062,432.80 and 106,989,149.72

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Solution

The fourth proportional to 190,640,205.41, 263,062,432.80 and 106,989,149.72 is: 147,633,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640,205.41 : 263,062,432.80 = 106,989,149.72 : x
  2. Step 2: Convert to fraction form
    190,640,205.41/263,062,432.80 = 106,989,149.72/x
  3. Step 3: Cross multiply
    190,640,205.41x = 263,062,432.80 × 106,989,149.72
  4. Step 4: Simplify right side
    190,640,205.41x = 28,144,826,008,546,640
  5. Step 5: Solve for x
    x = 28,144,826,008,546,640/190,640,205.41
  6. Step 6: Final answer
    x = 147,633,212.77

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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.