Finding the Fourth Proportional to 135,624,463.93, 203,436,695.90 and 39,886,351.93
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Solution
The fourth proportional to 135,624,463.93, 203,436,695.90 and 39,886,351.93 is: 59,829,527.90
Step by Step Solution
- Step 1: Write the proportion equation
135,624,463.93 : 203,436,695.90 = 39,886,351.93 : x - Step 2: Convert to fraction form
135,624,463.93/203,436,695.90 = 39,886,351.93/x - Step 3: Cross multiply
135,624,463.93x = 203,436,695.90 × 39,886,351.93 - Step 4: Simplify right side
135,624,463.93x = 8,114,347,647,944,357 - Step 5: Solve for x
x = 8,114,347,647,944,357/135,624,463.93 - Step 6: Final answer
x = 59,829,527.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.