Finding the Fourth Proportional to 127,591,499.20, 191,368,586.40 and 36,705,611.20
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Solution
The fourth proportional to 127,591,499.20, 191,368,586.40 and 36,705,611.20 is: 55,053,047.99
Step by Step Solution
- Step 1: Write the proportion equation
127,591,499.20 : 191,368,586.40 = 36,705,611.20 : x - Step 2: Convert to fraction form
127,591,499.20/191,368,586.40 = 36,705,611.20/x - Step 3: Cross multiply
127,591,499.20x = 191,368,586.40 × 36,705,611.20 - Step 4: Simplify right side
127,591,499.20x = 7,024,300,928,292,008 - Step 5: Solve for x
x = 7,024,300,928,292,008/127,591,499.20 - Step 6: Final answer
x = 55,053,047.99
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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.