Home / 49,177,139.87-67,870,403.96-27,989,071.13

Finding the Fourth Proportional to 49,177,139.87, 67,870,403.96 and 27,989,071.13

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Solution

The fourth proportional to 49,177,139.87, 67,870,403.96 and 27,989,071.13 is: 38,628,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,177,139.87 : 67,870,403.96 = 27,989,071.13 : x
  2. Step 2: Convert to fraction form
    49,177,139.87/67,870,403.96 = 27,989,071.13/x
  3. Step 3: Cross multiply
    49,177,139.87x = 67,870,403.96 × 27,989,071.13
  4. Step 4: Simplify right side
    49,177,139.87x = 1,899,629,563,578,976.25
  5. Step 5: Solve for x
    x = 1,899,629,563,578,976.25/49,177,139.87
  6. Step 6: Final answer
    x = 38,628,305.12

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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.