Finding the Fourth Proportional to 122,735,597.43, 169,378,715.34 and 66,984,593.66
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Solution
The fourth proportional to 122,735,597.43, 169,378,715.34 and 66,984,593.66 is: 92,440,699.02
Step by Step Solution
- Step 1: Write the proportion equation
122,735,597.43 : 169,378,715.34 = 66,984,593.66 : x - Step 2: Convert to fraction form
122,735,597.43/169,378,715.34 = 66,984,593.66/x - Step 3: Cross multiply
122,735,597.43x = 169,378,715.34 × 66,984,593.66 - Step 4: Simplify right side
122,735,597.43x = 11,345,764,420,855,816 - Step 5: Solve for x
x = 11,345,764,420,855,816/122,735,597.43 - Step 6: Final answer
x = 92,440,699.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.