Finding the Fourth Proportional to 91,236,954.40, 125,905,947.84 and 49,420,231.36
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Solution
The fourth proportional to 91,236,954.40, 125,905,947.84 and 49,420,231.36 is: 68,199,350.94
Step by Step Solution
- Step 1: Write the proportion equation
91,236,954.40 : 125,905,947.84 = 49,420,231.36 : x - Step 2: Convert to fraction form
91,236,954.40/125,905,947.84 = 49,420,231.36/x - Step 3: Cross multiply
91,236,954.40x = 125,905,947.84 × 49,420,231.36 - Step 4: Simplify right side
91,236,954.40x = 6,222,301,071,852,892 - Step 5: Solve for x
x = 6,222,301,071,852,892/91,236,954.40 - Step 6: Final answer
x = 68,199,350.94
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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.