Finding the Fourth Proportional to 293,606,711.55, 405,163,390.05 and 161,453,278.08
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Solution
The fourth proportional to 293,606,711.55, 405,163,390.05 and 161,453,278.08 is: 222,797,895.65
Step by Step Solution
- Step 1: Write the proportion equation
293,606,711.55 : 405,163,390.05 = 161,453,278.08 : x - Step 2: Convert to fraction form
293,606,711.55/405,163,390.05 = 161,453,278.08/x - Step 3: Cross multiply
293,606,711.55x = 405,163,390.05 × 161,453,278.08 - Step 4: Simplify right side
293,606,711.55x = 65,414,957,481,578,160 - Step 5: Solve for x
x = 65,414,957,481,578,160/293,606,711.55 - Step 6: Final answer
x = 222,797,895.65
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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.