Finding the Fourth Proportional to 49,340,533.51, 68,090,742.44 and 27,013,147.08
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Solution
The fourth proportional to 49,340,533.51, 68,090,742.44 and 27,013,147.08 is: 37,278,584.35
Step by Step Solution
- Step 1: Write the proportion equation
49,340,533.51 : 68,090,742.44 = 27,013,147.08 : x - Step 2: Convert to fraction form
49,340,533.51/68,090,742.44 = 27,013,147.08/x - Step 3: Cross multiply
49,340,533.51x = 68,090,742.44 × 27,013,147.08 - Step 4: Simplify right side
49,340,533.51x = 1,839,345,240,318,118 - Step 5: Solve for x
x = 1,839,345,240,318,118/49,340,533.51 - Step 6: Final answer
x = 37,278,584.35
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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.