Finding the Fourth Proportional to 49,170,270.36, 67,853,194.38 and 27,143,296.68
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Solution
The fourth proportional to 49,170,270.36, 67,853,194.38 and 27,143,296.68 is: 37,456,767.52
Step by Step Solution
- Step 1: Write the proportion equation
49,170,270.36 : 67,853,194.38 = 27,143,296.68 : x - Step 2: Convert to fraction form
49,170,270.36/67,853,194.38 = 27,143,296.68/x - Step 3: Cross multiply
49,170,270.36x = 67,853,194.38 × 27,143,296.68 - Step 4: Simplify right side
49,170,270.36x = 1,841,759,385,742,048.50 - Step 5: Solve for x
x = 1,841,759,385,742,048.50/49,170,270.36 - Step 6: Final answer
x = 37,456,767.52
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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.