Home / 157,035,974.33-216,568,569.13-98,303,993.65

Finding the Fourth Proportional to 157,035,974.33, 216,568,569.13 and 98,303,993.65

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Solution

The fourth proportional to 157,035,974.33, 216,568,569.13 and 98,303,993.65 is: 135,571,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,035,974.33 : 216,568,569.13 = 98,303,993.65 : x
  2. Step 2: Convert to fraction form
    157,035,974.33/216,568,569.13 = 98,303,993.65/x
  3. Step 3: Cross multiply
    157,035,974.33x = 216,568,569.13 × 98,303,993.65
  4. Step 4: Simplify right side
    157,035,974.33x = 21,289,555,244,545,108
  5. Step 5: Solve for x
    x = 21,289,555,244,545,108/157,035,974.33
  6. Step 6: Final answer
    x = 135,571,198.48

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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.