Finding the Fourth Proportional to 247,136,521.16, 370,764,715.26 and 74,603,028.44
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Solution
The fourth proportional to 247,136,521.16, 370,764,715.26 and 74,603,028.44 is: 111,922,634.77
Step by Step Solution
- Step 1: Write the proportion equation
247,136,521.16 : 370,764,715.26 = 74,603,028.44 : x - Step 2: Convert to fraction form
247,136,521.16/370,764,715.26 = 74,603,028.44/x - Step 3: Cross multiply
247,136,521.16x = 370,764,715.26 × 74,603,028.44 - Step 4: Simplify right side
247,136,521.16x = 27,660,170,597,090,280 - Step 5: Solve for x
x = 27,660,170,597,090,280/247,136,521.16 - Step 6: Final answer
x = 111,922,634.77
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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.