Finding the Fourth Proportional to 49,519,129.88, 68,333,731.69 and 27,491,210.54
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Solution
The fourth proportional to 49,519,129.88, 68,333,731.69 and 27,491,210.54 is: 37,936,389.62
Step by Step Solution
- Step 1: Write the proportion equation
49,519,129.88 : 68,333,731.69 = 27,491,210.54 : x - Step 2: Convert to fraction form
49,519,129.88/68,333,731.69 = 27,491,210.54/x - Step 3: Cross multiply
49,519,129.88x = 68,333,731.69 × 27,491,210.54 - Step 4: Simplify right side
49,519,129.88x = 1,878,577,004,873,660 - Step 5: Solve for x
x = 1,878,577,004,873,660/49,519,129.88 - Step 6: Final answer
x = 37,936,389.62
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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.