Finding the Fourth Proportional to 87,372,016.80, 131,026,532.40 and 44,226,880.80
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Solution
The fourth proportional to 87,372,016.80, 131,026,532.40 and 44,226,880.80 is: 66,324,379.85
Step by Step Solution
- Step 1: Write the proportion equation
87,372,016.80 : 131,026,532.40 = 44,226,880.80 : x - Step 2: Convert to fraction form
87,372,016.80/131,026,532.40 = 44,226,880.80/x - Step 3: Cross multiply
87,372,016.80x = 131,026,532.40 × 44,226,880.80 - Step 4: Simplify right side
87,372,016.80x = 5,794,894,830,092,138 - Step 5: Solve for x
x = 5,794,894,830,092,138/87,372,016.80 - Step 6: Final answer
x = 66,324,379.85
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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.