Finding the Fourth Proportional to 91,270,809.36, 125,954,708.40 and 50,016,816
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Solution
The fourth proportional to 91,270,809.36, 125,954,708.40 and 50,016,816 is: 69,023,749.42
Step by Step Solution
- Step 1: Write the proportion equation
91,270,809.36 : 125,954,708.40 = 50,016,816 : x - Step 2: Convert to fraction form
91,270,809.36/125,954,708.40 = 50,016,816/x - Step 3: Cross multiply
91,270,809.36x = 125,954,708.40 × 50,016,816 - Step 4: Simplify right side
91,270,809.36x = 6,299,853,474,376,455 - Step 5: Solve for x
x = 6,299,853,474,376,455/91,270,809.36 - Step 6: Final answer
x = 69,023,749.42
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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.