Home / 190,640,203.41-263,062,430.04-106,989,147.72

Finding the Fourth Proportional to 190,640,203.41, 263,062,430.04 and 106,989,147.72

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Solution

The fourth proportional to 190,640,203.41, 263,062,430.04 and 106,989,147.72 is: 147,633,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640,203.41 : 263,062,430.04 = 106,989,147.72 : x
  2. Step 2: Convert to fraction form
    190,640,203.41/263,062,430.04 = 106,989,147.72/x
  3. Step 3: Cross multiply
    190,640,203.41x = 263,062,430.04 × 106,989,147.72
  4. Step 4: Simplify right side
    190,640,203.41x = 28,144,825,187,131,724
  5. Step 5: Solve for x
    x = 28,144,825,187,131,724/190,640,203.41
  6. Step 6: Final answer
    x = 147,633,210.01

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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.