Finding the Fourth Proportional to 80,351,612.62, 120,542,932.05 and 34,292,809.42
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Solution
The fourth proportional to 80,351,612.62, 120,542,932.05 and 34,292,809.42 is: 51,445,834.89
Step by Step Solution
- Step 1: Write the proportion equation
80,351,612.62 : 120,542,932.05 = 34,292,809.42 : x - Step 2: Convert to fraction form
80,351,612.62/120,542,932.05 = 34,292,809.42/x - Step 3: Cross multiply
80,351,612.62x = 120,542,932.05 × 34,292,809.42 - Step 4: Simplify right side
80,351,612.62x = 4,133,755,795,718,660 - Step 5: Solve for x
x = 4,133,755,795,718,660/80,351,612.62 - Step 6: Final answer
x = 51,445,834.89
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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.