Finding the Fourth Proportional to 88,921,900.27, 122,709,586.84 and 49,231,199.97
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Solution
The fourth proportional to 88,921,900.27, 122,709,586.84 and 49,231,199.97 is: 67,937,596.81
Step by Step Solution
- Step 1: Write the proportion equation
88,921,900.27 : 122,709,586.84 = 49,231,199.97 : x - Step 2: Convert to fraction form
88,921,900.27/122,709,586.84 = 49,231,199.97/x - Step 3: Cross multiply
88,921,900.27x = 122,709,586.84 × 49,231,199.97 - Step 4: Simplify right side
88,921,900.27x = 6,041,140,208,340,295 - Step 5: Solve for x
x = 6,041,140,208,340,295/88,921,900.27 - Step 6: Final answer
x = 67,937,596.81
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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.