Finding the Fourth Proportional to 136,818,119.56, 205,554,583.11 and 87,730,147.31
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Solution
The fourth proportional to 136,818,119.56, 205,554,583.11 and 87,730,147.31 is: 131,805,157.94
Step by Step Solution
- Step 1: Write the proportion equation
136,818,119.56 : 205,554,583.11 = 87,730,147.31 : x - Step 2: Convert to fraction form
136,818,119.56/205,554,583.11 = 87,730,147.31/x - Step 3: Cross multiply
136,818,119.56x = 205,554,583.11 × 87,730,147.31 - Step 4: Simplify right side
136,818,119.56x = 18,033,333,857,274,016 - Step 5: Solve for x
x = 18,033,333,857,274,016/136,818,119.56 - Step 6: Final answer
x = 131,805,157.94
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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.