Finding the Fourth Proportional to 144,022,257.68, 198,751,954.84 and 82,145,729.12
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Solution
The fourth proportional to 144,022,257.68, 198,751,954.84 and 82,145,729.12 is: 113,361,813.01
Step by Step Solution
- Step 1: Write the proportion equation
144,022,257.68 : 198,751,954.84 = 82,145,729.12 : x - Step 2: Convert to fraction form
144,022,257.68/198,751,954.84 = 82,145,729.12/x - Step 3: Cross multiply
144,022,257.68x = 198,751,954.84 × 82,145,729.12 - Step 4: Simplify right side
144,022,257.68x = 16,326,624,244,357,114 - Step 5: Solve for x
x = 16,326,624,244,357,114/144,022,257.68 - Step 6: Final answer
x = 113,361,813.01
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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.