Home / 220,100,361.80-329,366,721.90-191,658,864.20

Finding the Fourth Proportional to 220,100,361.80, 329,366,721.90 and 191,658,864.20

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Solution

The fourth proportional to 220,100,361.80, 329,366,721.90 and 191,658,864.20 is: 286,805,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,100,361.80 : 329,366,721.90 = 191,658,864.20 : x
  2. Step 2: Convert to fraction form
    220,100,361.80/329,366,721.90 = 191,658,864.20/x
  3. Step 3: Cross multiply
    220,100,361.80x = 329,366,721.90 × 191,658,864.20
  4. Step 4: Simplify right side
    220,100,361.80x = 63,126,051,824,631,256
  5. Step 5: Solve for x
    x = 63,126,051,824,631,256/220,100,361.80
  6. Step 6: Final answer
    x = 286,805,761.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.