Finding the Fourth Proportional to 135,395,163.11, 186,840,086.78 and 73,514,085.59
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Solution
The fourth proportional to 135,395,163.11, 186,840,086.78 and 73,514,085.59 is: 101,446,593.92
Step by Step Solution
- Step 1: Write the proportion equation
135,395,163.11 : 186,840,086.78 = 73,514,085.59 : x - Step 2: Convert to fraction form
135,395,163.11/186,840,086.78 = 73,514,085.59/x - Step 3: Cross multiply
135,395,163.11x = 186,840,086.78 × 73,514,085.59 - Step 4: Simplify right side
135,395,163.11x = 13,735,378,129,886,176 - Step 5: Solve for x
x = 13,735,378,129,886,176/135,395,163.11 - Step 6: Final answer
x = 101,446,593.92
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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.