Finding the Fourth Proportional to 91,073,084.57, 125,681,022.06 and 49,819,976.96
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Solution
The fourth proportional to 91,073,084.57, 125,681,022.06 and 49,819,976.96 is: 68,751,658.66
Step by Step Solution
- Step 1: Write the proportion equation
91,073,084.57 : 125,681,022.06 = 49,819,976.96 : x - Step 2: Convert to fraction form
91,073,084.57/125,681,022.06 = 49,819,976.96/x - Step 3: Cross multiply
91,073,084.57x = 125,681,022.06 × 49,819,976.96 - Step 4: Simplify right side
91,073,084.57x = 6,261,425,623,338,452 - Step 5: Solve for x
x = 6,261,425,623,338,452/91,073,084.57 - Step 6: Final answer
x = 68,751,658.66
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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.