Finding the Fourth Proportional to 81,393,696.69, 112,323,275.66 and 44,726,629.65
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Solution
The fourth proportional to 81,393,696.69, 112,323,275.66 and 44,726,629.65 is: 61,722,734.75
Step by Step Solution
- Step 1: Write the proportion equation
81,393,696.69 : 112,323,275.66 = 44,726,629.65 : x - Step 2: Convert to fraction form
81,393,696.69/112,323,275.66 = 44,726,629.65/x - Step 3: Cross multiply
81,393,696.69x = 112,323,275.66 × 44,726,629.65 - Step 4: Simplify right side
81,393,696.69x = 5,023,841,551,519,679 - Step 5: Solve for x
x = 5,023,841,551,519,679/81,393,696.69 - Step 6: Final answer
x = 61,722,734.75
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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.