Finding the Fourth Proportional to 49,802,428.20, 68,725,646.58 and 27,476,296.54
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Solution
The fourth proportional to 49,802,428.20, 68,725,646.58 and 27,476,296.54 is: 37,916,348.93
Step by Step Solution
- Step 1: Write the proportion equation
49,802,428.20 : 68,725,646.58 = 27,476,296.54 : x - Step 2: Convert to fraction form
49,802,428.20/68,725,646.58 = 27,476,296.54/x - Step 3: Cross multiply
49,802,428.20x = 68,725,646.58 × 27,476,296.54 - Step 4: Simplify right side
49,802,428.20x = 1,888,326,245,335,316.75 - Step 5: Solve for x
x = 1,888,326,245,335,316.75/49,802,428.20 - Step 6: Final answer
x = 37,916,348.93
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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.