Finding the Fourth Proportional to 76,979,550.84, 115,486,559.86 and 25,860,175.44
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Solution
The fourth proportional to 76,979,550.84, 115,486,559.86 and 25,860,175.44 is: 38,796,052.54
Step by Step Solution
- Step 1: Write the proportion equation
76,979,550.84 : 115,486,559.86 = 25,860,175.44 : x - Step 2: Convert to fraction form
76,979,550.84/115,486,559.86 = 25,860,175.44/x - Step 3: Cross multiply
76,979,550.84x = 115,486,559.86 × 25,860,175.44 - Step 4: Simplify right side
76,979,550.84x = 2,986,502,698,941,662 - Step 5: Solve for x
x = 2,986,502,698,941,662/76,979,550.84 - Step 6: Final answer
x = 38,796,052.54
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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.