Finding the Fourth Proportional to 76,366,367.35, 105,407,794.04 and 49,908,701.24
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Solution
The fourth proportional to 76,366,367.35, 105,407,794.04 and 49,908,701.24 is: 68,888,521.00
Step by Step Solution
- Step 1: Write the proportion equation
76,366,367.35 : 105,407,794.04 = 49,908,701.24 : x - Step 2: Convert to fraction form
76,366,367.35/105,407,794.04 = 49,908,701.24/x - Step 3: Cross multiply
76,366,367.35x = 105,407,794.04 × 49,908,701.24 - Step 4: Simplify right side
76,366,367.35x = 5,260,766,100,860,269 - Step 5: Solve for x
x = 5,260,766,100,860,269/76,366,367.35 - Step 6: Final answer
x = 68,888,521.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.