Home / 49,177,143.87-67,870,409.48-27,989,075.13

Finding the Fourth Proportional to 49,177,143.87, 67,870,409.48 and 27,989,075.13

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Solution

The fourth proportional to 49,177,143.87, 67,870,409.48 and 27,989,075.13 is: 38,628,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,177,143.87 : 67,870,409.48 = 27,989,075.13 : x
  2. Step 2: Convert to fraction form
    49,177,143.87/67,870,409.48 = 27,989,075.13/x
  3. Step 3: Cross multiply
    49,177,143.87x = 67,870,409.48 × 27,989,075.13
  4. Step 4: Simplify right side
    49,177,143.87x = 1,899,629,990,039,584.25
  5. Step 5: Solve for x
    x = 1,899,629,990,039,584.25/49,177,143.87
  6. Step 6: Final answer
    x = 38,628,310.64

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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.