Finding the Fourth Proportional to 78,896,246.44, 118,399,307.10 and 27,782,382.28
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Solution
The fourth proportional to 78,896,246.44, 118,399,307.10 and 27,782,382.28 is: 41,692,918.99
Step by Step Solution
- Step 1: Write the proportion equation
78,896,246.44 : 118,399,307.10 = 27,782,382.28 : x - Step 2: Convert to fraction form
78,896,246.44/118,399,307.10 = 27,782,382.28/x - Step 3: Cross multiply
78,896,246.44x = 118,399,307.10 × 27,782,382.28 - Step 4: Simplify right side
78,896,246.44x = 3,289,414,811,539,318 - Step 5: Solve for x
x = 3,289,414,811,539,318/78,896,246.44 - Step 6: Final answer
x = 41,692,918.99
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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.