Finding the Fourth Proportional to 293,966,662.43, 405,670,774.84 and 161,804,833.31
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Solution
The fourth proportional to 293,966,662.43, 405,670,774.84 and 161,804,833.31 is: 223,288,897.99
Step by Step Solution
- Step 1: Write the proportion equation
293,966,662.43 : 405,670,774.84 = 161,804,833.31 : x - Step 2: Convert to fraction form
293,966,662.43/405,670,774.84 = 161,804,833.31/x - Step 3: Cross multiply
293,966,662.43x = 405,670,774.84 × 161,804,833.31 - Step 4: Simplify right side
293,966,662.43x = 65,639,492,099,291,872 - Step 5: Solve for x
x = 65,639,492,099,291,872/293,966,662.43 - Step 6: Final answer
x = 223,288,897.99
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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.