Finding the Fourth Proportional to 135,253,676.77, 186,634,327.39 and 75,718,232.98
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Solution
The fourth proportional to 135,253,676.77, 186,634,327.39 and 75,718,232.98 is: 104,482,346.22
Step by Step Solution
- Step 1: Write the proportion equation
135,253,676.77 : 186,634,327.39 = 75,718,232.98 : x - Step 2: Convert to fraction form
135,253,676.77/186,634,327.39 = 75,718,232.98/x - Step 3: Cross multiply
135,253,676.77x = 186,634,327.39 × 75,718,232.98 - Step 4: Simplify right side
135,253,676.77x = 14,131,621,483,381,616 - Step 5: Solve for x
x = 14,131,621,483,381,616/135,253,676.77 - Step 6: Final answer
x = 104,482,346.22
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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.