Finding the Fourth Proportional to 117,515,534.08, 162,175,370.52 and 65,306,770.24
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Solution
The fourth proportional to 117,515,534.08, 162,175,370.52 and 65,306,770.24 is: 90,125,528.88
Step by Step Solution
- Step 1: Write the proportion equation
117,515,534.08 : 162,175,370.52 = 65,306,770.24 : x - Step 2: Convert to fraction form
117,515,534.08/162,175,370.52 = 65,306,770.24/x - Step 3: Cross multiply
117,515,534.08x = 162,175,370.52 × 65,306,770.24 - Step 4: Simplify right side
117,515,534.08x = 10,591,149,661,136,510 - Step 5: Solve for x
x = 10,591,149,661,136,510/117,515,534.08 - Step 6: Final answer
x = 90,125,528.88
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1.5x scale
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.