Finding the Fourth Proportional to 122,711,668.11, 169,341,984.14 and 67,707,527.31
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Solution
The fourth proportional to 122,711,668.11, 169,341,984.14 and 67,707,527.31 is: 93,436,322.66
Step by Step Solution
- Step 1: Write the proportion equation
122,711,668.11 : 169,341,984.14 = 67,707,527.31 : x - Step 2: Convert to fraction form
122,711,668.11/169,341,984.14 = 67,707,527.31/x - Step 3: Cross multiply
122,711,668.11x = 169,341,984.14 × 67,707,527.31 - Step 4: Simplify right side
122,711,668.11x = 11,465,727,015,550,098 - Step 5: Solve for x
x = 11,465,727,015,550,098/122,711,668.11 - Step 6: Final answer
x = 93,436,322.66
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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.