Finding the Fourth Proportional to 151,702,243.20, 227,553,364.80 and 135,546,436.80
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Solution
The fourth proportional to 151,702,243.20, 227,553,364.80 and 135,546,436.80 is: 203,319,655.20
Step by Step Solution
- Step 1: Write the proportion equation
151,702,243.20 : 227,553,364.80 = 135,546,436.80 : x - Step 2: Convert to fraction form
151,702,243.20/227,553,364.80 = 135,546,436.80/x - Step 3: Cross multiply
151,702,243.20x = 227,553,364.80 × 135,546,436.80 - Step 4: Simplify right side
151,702,243.20x = 30,844,047,780,490,548 - Step 5: Solve for x
x = 30,844,047,780,490,548/151,702,243.20 - Step 6: Final answer
x = 203,319,655.20
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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.