Finding the Fourth Proportional to 209,952,511.05, 314,928,766.58 and 196,515,583.05
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Solution
The fourth proportional to 209,952,511.05, 314,928,766.58 and 196,515,583.05 is: 294,773,374.58
Step by Step Solution
- Step 1: Write the proportion equation
209,952,511.05 : 314,928,766.58 = 196,515,583.05 : x - Step 2: Convert to fraction form
209,952,511.05/314,928,766.58 = 196,515,583.05/x - Step 3: Cross multiply
209,952,511.05x = 314,928,766.58 × 196,515,583.05 - Step 4: Simplify right side
209,952,511.05x = 61,888,410,182,703,480 - Step 5: Solve for x
x = 61,888,410,182,703,480/209,952,511.05 - Step 6: Final answer
x = 294,773,374.58
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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.