Finding the Fourth Proportional to 65,827,405.98, 90,840,706.97 and 36,458,107.97
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Solution
The fourth proportional to 65,827,405.98, 90,840,706.97 and 36,458,107.97 is: 50,311,572.40
Step by Step Solution
- Step 1: Write the proportion equation
65,827,405.98 : 90,840,706.97 = 36,458,107.97 : x - Step 2: Convert to fraction form
65,827,405.98/90,840,706.97 = 36,458,107.97/x - Step 3: Cross multiply
65,827,405.98x = 90,840,706.97 × 36,458,107.97 - Step 4: Simplify right side
65,827,405.98x = 3,311,880,302,146,898 - Step 5: Solve for x
x = 3,311,880,302,146,898/65,827,405.98 - Step 6: Final answer
x = 50,311,572.40
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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.