Finding the Fourth Proportional to 146,614,721.48, 202,316,516.34 and 84,739,067.72
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Solution
The fourth proportional to 146,614,721.48, 202,316,516.34 and 84,739,067.72 is: 116,933,093.80
Step by Step Solution
- Step 1: Write the proportion equation
146,614,721.48 : 202,316,516.34 = 84,739,067.72 : x - Step 2: Convert to fraction form
146,614,721.48/202,316,516.34 = 84,739,067.72/x - Step 3: Cross multiply
146,614,721.48x = 202,316,516.34 × 84,739,067.72 - Step 4: Simplify right side
146,614,721.48x = 17,144,112,979,009,746 - Step 5: Solve for x
x = 17,144,112,979,009,746/146,614,721.48 - Step 6: Final answer
x = 116,933,093.80
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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.