Home / 199,278,430.29-275,004,351.75-111,172,428.27

Finding the Fourth Proportional to 199,278,430.29, 275,004,351.75 and 111,172,428.27

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Solution

The fourth proportional to 199,278,430.29, 275,004,351.75 and 111,172,428.27 is: 153,418,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278,430.29 : 275,004,351.75 = 111,172,428.27 : x
  2. Step 2: Convert to fraction form
    199,278,430.29/275,004,351.75 = 111,172,428.27/x
  3. Step 3: Cross multiply
    199,278,430.29x = 275,004,351.75 × 111,172,428.27
  4. Step 4: Simplify right side
    199,278,430.29x = 30,572,901,568,864,724
  5. Step 5: Solve for x
    x = 30,572,901,568,864,724/199,278,430.29
  6. Step 6: Final answer
    x = 153,418,016.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.