Finding the Fourth Proportional to 309,715,645.14, 464,573,467.62 and 115,642,216.44
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Solution
The fourth proportional to 309,715,645.14, 464,573,467.62 and 115,642,216.44 is: 173,463,324.63
Step by Step Solution
- Step 1: Write the proportion equation
309,715,645.14 : 464,573,467.62 = 115,642,216.44 : x - Step 2: Convert to fraction form
309,715,645.14/464,573,467.62 = 115,642,216.44/x - Step 3: Cross multiply
309,715,645.14x = 464,573,467.62 × 115,642,216.44 - Step 4: Simplify right side
309,715,645.14x = 53,724,305,494,793,368 - Step 5: Solve for x
x = 53,724,305,494,793,368/309,715,645.14 - Step 6: Final answer
x = 173,463,324.63
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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.