Finding the Fourth Proportional to 159,859,651.29, 220,611,668.09 and 97,968,037.29
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Solution
The fourth proportional to 159,859,651.29, 220,611,668.09 and 97,968,037.29 is: 135,199,169.72
Step by Step Solution
- Step 1: Write the proportion equation
159,859,651.29 : 220,611,668.09 = 97,968,037.29 : x - Step 2: Convert to fraction form
159,859,651.29/220,611,668.09 = 97,968,037.29/x - Step 3: Cross multiply
159,859,651.29x = 220,611,668.09 × 97,968,037.29 - Step 4: Simplify right side
159,859,651.29x = 21,612,892,125,560,384 - Step 5: Solve for x
x = 21,612,892,125,560,384/159,859,651.29 - Step 6: Final answer
x = 135,199,169.72
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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.