Finding the Fourth Proportional to 116,299,211.70, 160,493,973.57 and 64,090,120.62
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Solution
The fourth proportional to 116,299,211.70, 160,493,973.57 and 64,090,120.62 is: 88,444,951.38
Step by Step Solution
- Step 1: Write the proportion equation
116,299,211.70 : 160,493,973.57 = 64,090,120.62 : x - Step 2: Convert to fraction form
116,299,211.70/160,493,973.57 = 64,090,120.62/x - Step 3: Cross multiply
116,299,211.70x = 160,493,973.57 × 64,090,120.62 - Step 4: Simplify right side
116,299,211.70x = 10,286,078,124,884,392 - Step 5: Solve for x
x = 10,286,078,124,884,392/116,299,211.70 - Step 6: Final answer
x = 88,444,951.38
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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.