Home / 199,589,033.70-299,383,550.55-145,841,321.70

Finding the Fourth Proportional to 199,589,033.70, 299,383,550.55 and 145,841,321.70

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Solution

The fourth proportional to 199,589,033.70, 299,383,550.55 and 145,841,321.70 is: 218,761,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,589,033.70 : 299,383,550.55 = 145,841,321.70 : x
  2. Step 2: Convert to fraction form
    199,589,033.70/299,383,550.55 = 145,841,321.70/x
  3. Step 3: Cross multiply
    199,589,033.70x = 299,383,550.55 × 145,841,321.70
  4. Step 4: Simplify right side
    199,589,033.70x = 43,662,492,707,450,760
  5. Step 5: Solve for x
    x = 43,662,492,707,450,760/199,589,033.70
  6. Step 6: Final answer
    x = 218,761,982.55

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1.5x scale

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.