Finding the Fourth Proportional to 66,505,810,242, 91,777,286,982.60 and 36,021,235,502.64
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Solution
The fourth proportional to 66,505,810,242, 91,777,286,982.60 and 36,021,235,502.64 is: 49,708,908,983.50
Step by Step Solution
- Step 1: Write the proportion equation
66,505,810,242 : 91,777,286,982.60 = 36,021,235,502.64 : x - Step 2: Convert to fraction form
66,505,810,242/91,777,286,982.60 = 36,021,235,502.64/x - Step 3: Cross multiply
66,505,810,242x = 91,777,286,982.60 × 36,021,235,502.64 - Step 4: Simplify right side
66,505,810,242x = 3,305,931,268,193,611,415,552 - Step 5: Solve for x
x = 3,305,931,268,193,611,415,552/66,505,810,242 - Step 6: Final answer
x = 49,708,908,983.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.