Finding the Fourth Proportional to 206,885,602.70, 310,284,858.45 and 104,553,442.70
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Solution
The fourth proportional to 206,885,602.70, 310,284,858.45 and 104,553,442.70 is: 156,808,157.48
Step by Step Solution
- Step 1: Write the proportion equation
206,885,602.70 : 310,284,858.45 = 104,553,442.70 : x - Step 2: Convert to fraction form
206,885,602.70/310,284,858.45 = 104,553,442.70/x - Step 3: Cross multiply
206,885,602.70x = 310,284,858.45 × 104,553,442.70 - Step 4: Simplify right side
206,885,602.70x = 32,441,350,168,629,684 - Step 5: Solve for x
x = 32,441,350,168,629,684/206,885,602.70 - Step 6: Final answer
x = 156,808,157.48
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1.5x scale
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.