Home / 199,526,661.20-299,289,991.80-193,554,693.20

Finding the Fourth Proportional to 199,526,661.20, 299,289,991.80 and 193,554,693.20

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Solution

The fourth proportional to 199,526,661.20, 299,289,991.80 and 193,554,693.20 is: 290,332,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,526,661.20 : 299,289,991.80 = 193,554,693.20 : x
  2. Step 2: Convert to fraction form
    199,526,661.20/299,289,991.80 = 193,554,693.20/x
  3. Step 3: Cross multiply
    199,526,661.20x = 299,289,991.80 × 193,554,693.20
  4. Step 4: Simplify right side
    199,526,661.20x = 57,928,982,540,679,512
  5. Step 5: Solve for x
    x = 57,928,982,540,679,512/199,526,661.20
  6. Step 6: Final answer
    x = 290,332,039.80

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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.