Finding the Fourth Proportional to 87,821,128.53, 121,195,814.36 and 48,659,241.24
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Solution
The fourth proportional to 87,821,128.53, 121,195,814.36 and 48,659,241.24 is: 67,151,225.07
Step by Step Solution
- Step 1: Write the proportion equation
87,821,128.53 : 121,195,814.36 = 48,659,241.24 : x - Step 2: Convert to fraction form
87,821,128.53/121,195,814.36 = 48,659,241.24/x - Step 3: Cross multiply
87,821,128.53x = 121,195,814.36 × 48,659,241.24 - Step 4: Simplify right side
87,821,128.53x = 5,897,296,367,978,200 - Step 5: Solve for x
x = 5,897,296,367,978,200/87,821,128.53 - Step 6: Final answer
x = 67,151,225.07
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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.