Finding the Fourth Proportional to 47,557,440.66, 71,215,060.49 and 31,334,207.63
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Solution
The fourth proportional to 47,557,440.66, 71,215,060.49 and 31,334,207.63 is: 46,921,521.86
Step by Step Solution
- Step 1: Write the proportion equation
47,557,440.66 : 71,215,060.49 = 31,334,207.63 : x - Step 2: Convert to fraction form
47,557,440.66/71,215,060.49 = 31,334,207.63/x - Step 3: Cross multiply
47,557,440.66x = 71,215,060.49 × 31,334,207.63 - Step 4: Simplify right side
47,557,440.66x = 2,231,467,491,619,998.50 - Step 5: Solve for x
x = 2,231,467,491,619,998.50/47,557,440.66 - Step 6: Final answer
x = 46,921,521.86
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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.