Finding the Fourth Proportional to 105,431,173.02, 158,086,208.79 and 56,186,395.61
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Solution
The fourth proportional to 105,431,173.02, 158,086,208.79 and 56,186,395.61 is: 84,247,324.70
Step by Step Solution
- Step 1: Write the proportion equation
105,431,173.02 : 158,086,208.79 = 56,186,395.61 : x - Step 2: Convert to fraction form
105,431,173.02/158,086,208.79 = 56,186,395.61/x - Step 3: Cross multiply
105,431,173.02x = 158,086,208.79 × 56,186,395.61 - Step 4: Simplify right side
105,431,173.02x = 8,882,294,266,769,567 - Step 5: Solve for x
x = 8,882,294,266,769,567/105,431,173.02 - Step 6: Final answer
x = 84,247,324.70
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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.