Finding the Fourth Proportional to 44,286,861.20, 66,430,291.80 and 27,068,172.80
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Solution
The fourth proportional to 44,286,861.20, 66,430,291.80 and 27,068,172.80 is: 40,602,259.20
Step by Step Solution
- Step 1: Write the proportion equation
44,286,861.20 : 66,430,291.80 = 27,068,172.80 : x - Step 2: Convert to fraction form
44,286,861.20/66,430,291.80 = 27,068,172.80/x - Step 3: Cross multiply
44,286,861.20x = 66,430,291.80 × 27,068,172.80 - Step 4: Simplify right side
44,286,861.20x = 1,798,146,617,596,823 - Step 5: Solve for x
x = 1,798,146,617,596,823/44,286,861.20 - Step 6: Final answer
x = 40,602,259.20
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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.