Finding the Fourth Proportional to 168,332,969.22, 252,276,234.03 and 86,448,539.94
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Solution
The fourth proportional to 168,332,969.22, 252,276,234.03 and 86,448,539.94 is: 129,558,173.87
Step by Step Solution
- Step 1: Write the proportion equation
168,332,969.22 : 252,276,234.03 = 86,448,539.94 : x - Step 2: Convert to fraction form
168,332,969.22/252,276,234.03 = 86,448,539.94/x - Step 3: Cross multiply
168,332,969.22x = 252,276,234.03 × 86,448,539.94 - Step 4: Simplify right side
168,332,969.22x = 21,808,912,093,455,240 - Step 5: Solve for x
x = 21,808,912,093,455,240/168,332,969.22 - Step 6: Final answer
x = 129,558,173.87
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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.