Finding the Fourth Proportional to 186,387,759.12, 257,230,414.80 and 102,763,549.20
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Solution
The fourth proportional to 186,387,759.12, 257,230,414.80 and 102,763,549.20 is: 141,822,137.42
Step by Step Solution
- Step 1: Write the proportion equation
186,387,759.12 : 257,230,414.80 = 102,763,549.20 : x - Step 2: Convert to fraction form
186,387,759.12/257,230,414.80 = 102,763,549.20/x - Step 3: Cross multiply
186,387,759.12x = 257,230,414.80 × 102,763,549.20 - Step 4: Simplify right side
186,387,759.12x = 26,433,910,387,036,212 - Step 5: Solve for x
x = 26,433,910,387,036,212/186,387,759.12 - Step 6: Final answer
x = 141,822,137.42
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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.