Finding the Fourth Proportional to 208,496,611.62, 287,725,361.36 and 115,676,898.03
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Solution
The fourth proportional to 208,496,611.62, 287,725,361.36 and 115,676,898.03 is: 159,634,139.99
Step by Step Solution
- Step 1: Write the proportion equation
208,496,611.62 : 287,725,361.36 = 115,676,898.03 : x - Step 2: Convert to fraction form
208,496,611.62/287,725,361.36 = 115,676,898.03/x - Step 3: Cross multiply
208,496,611.62x = 287,725,361.36 × 115,676,898.03 - Step 4: Simplify right side
208,496,611.62x = 33,283,177,286,107,240 - Step 5: Solve for x
x = 33,283,177,286,107,240/208,496,611.62 - Step 6: Final answer
x = 159,634,139.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.