Finding the Fourth Proportional to 252,660,629.80, 378,990,944.70 and 61,184,405.80
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Solution
The fourth proportional to 252,660,629.80, 378,990,944.70 and 61,184,405.80 is: 91,776,608.70
Step by Step Solution
- Step 1: Write the proportion equation
252,660,629.80 : 378,990,944.70 = 61,184,405.80 : x - Step 2: Convert to fraction form
252,660,629.80/378,990,944.70 = 61,184,405.80/x - Step 3: Cross multiply
252,660,629.80x = 378,990,944.70 × 61,184,405.80 - Step 4: Simplify right side
252,660,629.80x = 23,188,335,755,050,156 - Step 5: Solve for x
x = 23,188,335,755,050,156/252,660,629.80 - Step 6: Final answer
x = 91,776,608.70
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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.