Finding the Fourth Proportional to 159,966,425.26, 220,691,167.68 and 92,974,252.06
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Solution
The fourth proportional to 159,966,425.26, 220,691,167.68 and 92,974,252.06 is: 128,268,142.63
Step by Step Solution
- Step 1: Write the proportion equation
159,966,425.26 : 220,691,167.68 = 92,974,252.06 : x - Step 2: Convert to fraction form
159,966,425.26/220,691,167.68 = 92,974,252.06/x - Step 3: Cross multiply
159,966,425.26x = 220,691,167.68 × 92,974,252.06 - Step 4: Simplify right side
159,966,425.26x = 20,518,596,251,296,048 - Step 5: Solve for x
x = 20,518,596,251,296,048/159,966,425.26 - Step 6: Final answer
x = 128,268,142.63
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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.