Finding the Fourth Proportional to 128,452,540.68, 177,265,782.72 and 69,715,727.64
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Solution
The fourth proportional to 128,452,540.68, 177,265,782.72 and 69,715,727.64 is: 96,208,396.99
Step by Step Solution
- Step 1: Write the proportion equation
128,452,540.68 : 177,265,782.72 = 69,715,727.64 : x - Step 2: Convert to fraction form
128,452,540.68/177,265,782.72 = 69,715,727.64/x - Step 3: Cross multiply
128,452,540.68x = 177,265,782.72 × 69,715,727.64 - Step 4: Simplify right side
128,452,540.68x = 12,358,213,027,998,938 - Step 5: Solve for x
x = 12,358,213,027,998,938/128,452,540.68 - Step 6: Final answer
x = 96,208,396.99
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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.