Finding the Fourth Proportional to 204,415,743.20, 306,651,608.40 and 68,086,911.20
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Solution
The fourth proportional to 204,415,743.20, 306,651,608.40 and 68,086,911.20 is: 102,139,690.92
Step by Step Solution
- Step 1: Write the proportion equation
204,415,743.20 : 306,651,608.40 = 68,086,911.20 : x - Step 2: Convert to fraction form
204,415,743.20/306,651,608.40 = 68,086,911.20/x - Step 3: Cross multiply
204,415,743.20x = 306,651,608.40 × 68,086,911.20 - Step 4: Simplify right side
204,415,743.20x = 20,878,960,830,467,972 - Step 5: Solve for x
x = 20,878,960,830,467,972/204,415,743.20 - Step 6: Final answer
x = 102,139,690.92
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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.