Finding the Fourth Proportional to 65,168,186.40, 97,815,265.20 and 32,856,573.60
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Solution
The fourth proportional to 65,168,186.40, 97,815,265.20 and 32,856,573.60 is: 49,316,616.55
Step by Step Solution
- Step 1: Write the proportion equation
65,168,186.40 : 97,815,265.20 = 32,856,573.60 : x - Step 2: Convert to fraction form
65,168,186.40/97,815,265.20 = 32,856,573.60/x - Step 3: Cross multiply
65,168,186.40x = 97,815,265.20 × 32,856,573.60 - Step 4: Simplify right side
65,168,186.40x = 3,213,874,460,247,319 - Step 5: Solve for x
x = 3,213,874,460,247,319/65,168,186.40 - Step 6: Final answer
x = 49,316,616.55
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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.