Home / 149,383,687.30-206,150,389.32-83,308,361.74

Finding the Fourth Proportional to 149,383,687.30, 206,150,389.32 and 83,308,361.74

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Solution

The fourth proportional to 149,383,687.30, 206,150,389.32 and 83,308,361.74 is: 114,966,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,383,687.30 : 206,150,389.32 = 83,308,361.74 : x
  2. Step 2: Convert to fraction form
    149,383,687.30/206,150,389.32 = 83,308,361.74/x
  3. Step 3: Cross multiply
    149,383,687.30x = 206,150,389.32 × 83,308,361.74
  4. Step 4: Simplify right side
    149,383,687.30x = 17,174,051,206,312,390
  5. Step 5: Solve for x
    x = 17,174,051,206,312,390/149,383,687.30
  6. Step 6: Final answer
    x = 114,966,041.59

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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.