Finding the Fourth Proportional to 135,955,415.54, 203,970,605.64 and 54,131,754.47
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Solution
The fourth proportional to 135,955,415.54, 203,970,605.64 and 54,131,754.47 is: 81,212,555.60
Step by Step Solution
- Step 1: Write the proportion equation
135,955,415.54 : 203,970,605.64 = 54,131,754.47 : x - Step 2: Convert to fraction form
135,955,415.54/203,970,605.64 = 54,131,754.47/x - Step 3: Cross multiply
135,955,415.54x = 203,970,605.64 × 54,131,754.47 - Step 4: Simplify right side
135,955,415.54x = 11,041,286,743,601,676 - Step 5: Solve for x
x = 11,041,286,743,601,676/135,955,415.54 - Step 6: Final answer
x = 81,212,555.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.