Finding the Fourth Proportional to 157,227,772.40, 235,816,076.93 and 74,229,364.36
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Solution
The fourth proportional to 157,227,772.40, 235,816,076.93 and 74,229,364.36 is: 111,331,969.09
Step by Step Solution
- Step 1: Write the proportion equation
157,227,772.40 : 235,816,076.93 = 74,229,364.36 : x - Step 2: Convert to fraction form
157,227,772.40/235,816,076.93 = 74,229,364.36/x - Step 3: Cross multiply
157,227,772.40x = 235,816,076.93 × 74,229,364.36 - Step 4: Simplify right side
157,227,772.40x = 17,504,477,496,382,760 - Step 5: Solve for x
x = 17,504,477,496,382,760/157,227,772.40 - Step 6: Final answer
x = 111,331,969.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.