Finding the Fourth Proportional to 53,990,908.70, 80,986,363.05 and 49,833,859.10
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Solution
The fourth proportional to 53,990,908.70, 80,986,363.05 and 49,833,859.10 is: 74,750,788.65
Step by Step Solution
- Step 1: Write the proportion equation
53,990,908.70 : 80,986,363.05 = 49,833,859.10 : x - Step 2: Convert to fraction form
53,990,908.70/80,986,363.05 = 49,833,859.10/x - Step 3: Cross multiply
53,990,908.70x = 80,986,363.05 × 49,833,859.10 - Step 4: Simplify right side
53,990,908.70x = 4,035,863,005,255,146 - Step 5: Solve for x
x = 4,035,863,005,255,146/53,990,908.70 - Step 6: Final answer
x = 74,750,788.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.