Finding the Fourth Proportional to 129,414,139.29, 194,125,194.81 and 56,593,436.31
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Solution
The fourth proportional to 129,414,139.29, 194,125,194.81 and 56,593,436.31 is: 84,891,897.51
Step by Step Solution
- Step 1: Write the proportion equation
129,414,139.29 : 194,125,194.81 = 56,593,436.31 : x - Step 2: Convert to fraction form
129,414,139.29/194,125,194.81 = 56,593,436.31/x - Step 3: Cross multiply
129,414,139.29x = 194,125,194.81 × 56,593,436.31 - Step 4: Simplify right side
129,414,139.29x = 10,986,211,848,646,078 - Step 5: Solve for x
x = 10,986,211,848,646,078/129,414,139.29 - Step 6: Final answer
x = 84,891,897.51
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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.