Finding the Fourth Proportional to 44,286,812.80, 66,430,219.20 and 39,982,140.70
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Solution
The fourth proportional to 44,286,812.80, 66,430,219.20 and 39,982,140.70 is: 59,973,211.05
Step by Step Solution
- Step 1: Write the proportion equation
44,286,812.80 : 66,430,219.20 = 39,982,140.70 : x - Step 2: Convert to fraction form
44,286,812.80/66,430,219.20 = 39,982,140.70/x - Step 3: Cross multiply
44,286,812.80x = 66,430,219.20 × 39,982,140.70 - Step 4: Simplify right side
44,286,812.80x = 2,656,022,370,786,242 - Step 5: Solve for x
x = 2,656,022,370,786,242/44,286,812.80 - Step 6: Final answer
x = 59,973,211.05
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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.