Finding the Fourth Proportional to 81,772,629.26, 112,846,228.73 and 44,602,907.60
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Solution
The fourth proportional to 81,772,629.26, 112,846,228.73 and 44,602,907.60 is: 61,552,012.69
Step by Step Solution
- Step 1: Write the proportion equation
81,772,629.26 : 112,846,228.73 = 44,602,907.60 : x - Step 2: Convert to fraction form
81,772,629.26/112,846,228.73 = 44,602,907.60/x - Step 3: Cross multiply
81,772,629.26x = 112,846,228.73 × 44,602,907.60 - Step 4: Simplify right side
81,772,629.26x = 5,033,269,913,530,132 - Step 5: Solve for x
x = 5,033,269,913,530,132/81,772,629.26 - Step 6: Final answer
x = 61,552,012.69
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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.