Finding the Fourth Proportional to 53,135,613.91, 73,324,881.60 and 29,612,898.95
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Solution
The fourth proportional to 53,135,613.91, 73,324,881.60 and 29,612,898.95 is: 40,864,537.92
Step by Step Solution
- Step 1: Write the proportion equation
53,135,613.91 : 73,324,881.60 = 29,612,898.95 : x - Step 2: Convert to fraction form
53,135,613.91/73,324,881.60 = 29,612,898.95/x - Step 3: Cross multiply
53,135,613.91x = 73,324,881.60 × 29,612,898.95 - Step 4: Simplify right side
53,135,613.91x = 2,171,362,309,341,514 - Step 5: Solve for x
x = 2,171,362,309,341,514/53,135,613.91 - Step 6: Final answer
x = 40,864,537.92
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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.