Finding the Fourth Proportional to 135,624,462.80, 203,436,694.21 and 39,886,350.80
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Solution
The fourth proportional to 135,624,462.80, 203,436,694.21 and 39,886,350.80 is: 59,829,526.20
Step by Step Solution
- Step 1: Write the proportion equation
135,624,462.80 : 203,436,694.21 = 39,886,350.80 : x - Step 2: Convert to fraction form
135,624,462.80/203,436,694.21 = 39,886,350.80/x - Step 3: Cross multiply
135,624,462.80x = 203,436,694.21 × 39,886,350.80 - Step 4: Simplify right side
135,624,462.80x = 8,114,347,351,261,266 - Step 5: Solve for x
x = 8,114,347,351,261,266/135,624,462.80 - Step 6: Final answer
x = 59,829,526.20
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Similar ratio
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1.5x scale
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.