Finding the Fourth Proportional to 52,201,958.40, 78,302,937.60 and 51,306,163.20
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Solution
The fourth proportional to 52,201,958.40, 78,302,937.60 and 51,306,163.20 is: 76,959,244.80
Step by Step Solution
- Step 1: Write the proportion equation
52,201,958.40 : 78,302,937.60 = 51,306,163.20 : x - Step 2: Convert to fraction form
52,201,958.40/78,302,937.60 = 51,306,163.20/x - Step 3: Cross multiply
52,201,958.40x = 78,302,937.60 × 51,306,163.20 - Step 4: Simplify right side
52,201,958.40x = 4,017,423,295,545,016 - Step 5: Solve for x
x = 4,017,423,295,545,016/52,201,958.40 - Step 6: Final answer
x = 76,959,244.80
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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.