Finding the Fourth Proportional to 87,955,951.53, 121,393,782.23 and 48,810,301.77
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Solution
The fourth proportional to 87,955,951.53, 121,393,782.23 and 48,810,301.77 is: 67,366,301.43
Step by Step Solution
- Step 1: Write the proportion equation
87,955,951.53 : 121,393,782.23 = 48,810,301.77 : x - Step 2: Convert to fraction form
87,955,951.53/121,393,782.23 = 48,810,301.77/x - Step 3: Cross multiply
87,955,951.53x = 121,393,782.23 × 48,810,301.77 - Step 4: Simplify right side
87,955,951.53x = 5,925,267,143,647,964 - Step 5: Solve for x
x = 5,925,267,143,647,964/87,955,951.53 - Step 6: Final answer
x = 67,366,301.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.