Finding the Fourth Proportional to 146,574,861.80, 219,846,546.30 and 38,869,485.80
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Solution
The fourth proportional to 146,574,861.80, 219,846,546.30 and 38,869,485.80 is: 58,300,052.99
Step by Step Solution
- Step 1: Write the proportion equation
146,574,861.80 : 219,846,546.30 = 38,869,485.80 : x - Step 2: Convert to fraction form
146,574,861.80/219,846,546.30 = 38,869,485.80/x - Step 3: Cross multiply
146,574,861.80x = 219,846,546.30 × 38,869,485.80 - Step 4: Simplify right side
146,574,861.80x = 8,545,322,209,586,892 - Step 5: Solve for x
x = 8,545,322,209,586,892/146,574,861.80 - Step 6: Final answer
x = 58,300,052.99
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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.