Finding the Fourth Proportional to 129,414,134.69, 194,125,187.84 and 56,593,431.66
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Solution
The fourth proportional to 129,414,134.69, 194,125,187.84 and 56,593,431.66 is: 84,891,890.50
Step by Step Solution
- Step 1: Write the proportion equation
129,414,134.69 : 194,125,187.84 = 56,593,431.66 : x - Step 2: Convert to fraction form
129,414,134.69/194,125,187.84 = 56,593,431.66/x - Step 3: Cross multiply
129,414,134.69x = 194,125,187.84 × 56,593,431.66 - Step 4: Simplify right side
129,414,134.69x = 10,986,210,551,507,702 - Step 5: Solve for x
x = 10,986,210,551,507,702/129,414,134.69 - Step 6: Final answer
x = 84,891,890.50
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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.