Home / 190,640,203.91-263,062,430.73-106,989,148.22

Finding the Fourth Proportional to 190,640,203.91, 263,062,430.73 and 106,989,148.22

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Solution

The fourth proportional to 190,640,203.91, 263,062,430.73 and 106,989,148.22 is: 147,633,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640,203.91 : 263,062,430.73 = 106,989,148.22 : x
  2. Step 2: Convert to fraction form
    190,640,203.91/263,062,430.73 = 106,989,148.22/x
  3. Step 3: Cross multiply
    190,640,203.91x = 263,062,430.73 × 106,989,148.22
  4. Step 4: Simplify right side
    190,640,203.91x = 28,144,825,392,485,452
  5. Step 5: Solve for x
    x = 28,144,825,392,485,452/190,640,203.91
  6. Step 6: Final answer
    x = 147,633,210.70

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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.