Finding the Fourth Proportional to 307,202,843.39, 423,981,399.02 and 173,268,252.14
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Solution
The fourth proportional to 307,202,843.39, 423,981,399.02 and 173,268,252.14 is: 239,133,580.72
Step by Step Solution
- Step 1: Write the proportion equation
307,202,843.39 : 423,981,399.02 = 173,268,252.14 : x - Step 2: Convert to fraction form
307,202,843.39/423,981,399.02 = 173,268,252.14/x - Step 3: Cross multiply
307,202,843.39x = 423,981,399.02 × 173,268,252.14 - Step 4: Simplify right side
307,202,843.39x = 73,462,515,945,081,056 - Step 5: Solve for x
x = 73,462,515,945,081,056/307,202,843.39 - Step 6: Final answer
x = 239,133,580.72
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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.