Finding the Fourth Proportional to 50,396,378.74, 69,400,588.28 and 43,777,945.68
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Solution
The fourth proportional to 50,396,378.74, 69,400,588.28 and 43,777,945.68 is: 60,286,378.90
Step by Step Solution
- Step 1: Write the proportion equation
50,396,378.74 : 69,400,588.28 = 43,777,945.68 : x - Step 2: Convert to fraction form
50,396,378.74/69,400,588.28 = 43,777,945.68/x - Step 3: Cross multiply
50,396,378.74x = 69,400,588.28 × 43,777,945.68 - Step 4: Simplify right side
50,396,378.74x = 3,038,215,183,881,884.50 - Step 5: Solve for x
x = 3,038,215,183,881,884.50/50,396,378.74 - Step 6: Final answer
x = 60,286,378.90
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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.