Finding the Fourth Proportional to 197,216,704.98, 272,246,226.26 and 117,859,769.73
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Solution
The fourth proportional to 197,216,704.98, 272,246,226.26 and 117,859,769.73 is: 162,698,578.40
Step by Step Solution
- Step 1: Write the proportion equation
197,216,704.98 : 272,246,226.26 = 117,859,769.73 : x - Step 2: Convert to fraction form
197,216,704.98/272,246,226.26 = 117,859,769.73/x - Step 3: Cross multiply
197,216,704.98x = 272,246,226.26 × 117,859,769.73 - Step 4: Simplify right side
197,216,704.98x = 32,086,877,536,275,780 - Step 5: Solve for x
x = 32,086,877,536,275,780/197,216,704.98 - Step 6: Final answer
x = 162,698,578.40
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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.