Finding the Fourth Proportional to 76,678,230.84, 114,932,151.36 and 58,422,240.24
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Solution
The fourth proportional to 76,678,230.84, 114,932,151.36 and 58,422,240.24 is: 87,568,449.15
Step by Step Solution
- Step 1: Write the proportion equation
76,678,230.84 : 114,932,151.36 = 58,422,240.24 : x - Step 2: Convert to fraction form
76,678,230.84/114,932,151.36 = 58,422,240.24/x - Step 3: Cross multiply
76,678,230.84x = 114,932,151.36 × 58,422,240.24 - Step 4: Simplify right side
76,678,230.84x = 6,714,593,758,053,963 - Step 5: Solve for x
x = 6,714,593,758,053,963/76,678,230.84 - Step 6: Final answer
x = 87,568,449.15
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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.