Finding the Fourth Proportional to 135,040,051.53, 186,356,165.81 and 73,160,390.09
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Solution
The fourth proportional to 135,040,051.53, 186,356,165.81 and 73,160,390.09 is: 100,961,823.04
Step by Step Solution
- Step 1: Write the proportion equation
135,040,051.53 : 186,356,165.81 = 73,160,390.09 : x - Step 2: Convert to fraction form
135,040,051.53/186,356,165.81 = 73,160,390.09/x - Step 3: Cross multiply
135,040,051.53x = 186,356,165.81 × 73,160,390.09 - Step 4: Simplify right side
135,040,051.53x = 13,633,889,786,436,410 - Step 5: Solve for x
x = 13,633,889,786,436,410/135,040,051.53 - Step 6: Final answer
x = 100,961,823.04
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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.