Finding the Fourth Proportional to 49,170,194.57, 67,853,090.21 and 27,143,221.10
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Solution
The fourth proportional to 49,170,194.57, 67,853,090.21 and 27,143,221.10 is: 37,456,663.44
Step by Step Solution
- Step 1: Write the proportion equation
49,170,194.57 : 67,853,090.21 = 27,143,221.10 : x - Step 2: Convert to fraction form
49,170,194.57/67,853,090.21 = 27,143,221.10/x - Step 3: Cross multiply
49,170,194.57x = 67,853,090.21 × 27,143,221.10 - Step 4: Simplify right side
49,170,194.57x = 1,841,751,429,413,293.75 - Step 5: Solve for x
x = 1,841,751,429,413,293.75/49,170,194.57 - Step 6: Final answer
x = 37,456,663.44
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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.