Finding the Fourth Proportional to 45,745,440.68, 68,618,981.10 and 16,619,964.32
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Solution
The fourth proportional to 45,745,440.68, 68,618,981.10 and 16,619,964.32 is: 24,930,244.43
Step by Step Solution
- Step 1: Write the proportion equation
45,745,440.68 : 68,618,981.10 = 16,619,964.32 : x - Step 2: Convert to fraction form
45,745,440.68/68,618,981.10 = 16,619,964.32/x - Step 3: Cross multiply
45,745,440.68x = 68,618,981.10 × 16,619,964.32 - Step 4: Simplify right side
45,745,440.68x = 1,140,445,017,556,754.25 - Step 5: Solve for x
x = 1,140,445,017,556,754.25/45,745,440.68 - Step 6: Final answer
x = 24,930,244.43
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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.