Finding the Fourth Proportional to 50,157,804.16, 69,218,528.16 and 28,136,185.12
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Solution
The fourth proportional to 50,157,804.16, 69,218,528.16 and 28,136,185.12 is: 38,828,360.90
Step by Step Solution
- Step 1: Write the proportion equation
50,157,804.16 : 69,218,528.16 = 28,136,185.12 : x - Step 2: Convert to fraction form
50,157,804.16/69,218,528.16 = 28,136,185.12/x - Step 3: Cross multiply
50,157,804.16x = 69,218,528.16 × 28,136,185.12 - Step 4: Simplify right side
50,157,804.16x = 1,947,545,322,043,693 - Step 5: Solve for x
x = 1,947,545,322,043,693/50,157,804.16 - Step 6: Final answer
x = 38,828,360.90
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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.