Finding the Fourth Proportional to 88,403,446.80, 132,605,170.20 and 66,880,086.30
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Solution
The fourth proportional to 88,403,446.80, 132,605,170.20 and 66,880,086.30 is: 100,320,129.45
Step by Step Solution
- Step 1: Write the proportion equation
88,403,446.80 : 132,605,170.20 = 66,880,086.30 : x - Step 2: Convert to fraction form
88,403,446.80/132,605,170.20 = 66,880,086.30/x - Step 3: Cross multiply
88,403,446.80x = 132,605,170.20 × 66,880,086.30 - Step 4: Simplify right side
88,403,446.80x = 8,868,645,226,802,188 - Step 5: Solve for x
x = 8,868,645,226,802,188/88,403,446.80 - Step 6: Final answer
x = 100,320,129.45
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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.