Finding the Fourth Proportional to 181,866,690.91, 250,976,134.13 and 98,234,821.09
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Solution
The fourth proportional to 181,866,690.91, 250,976,134.13 and 98,234,821.09 is: 135,564,107.48
Step by Step Solution
- Step 1: Write the proportion equation
181,866,690.91 : 250,976,134.13 = 98,234,821.09 : x - Step 2: Convert to fraction form
181,866,690.91/250,976,134.13 = 98,234,821.09/x - Step 3: Cross multiply
181,866,690.91x = 250,976,134.13 × 98,234,821.09 - Step 4: Simplify right side
181,866,690.91x = 24,654,595,634,120,392 - Step 5: Solve for x
x = 24,654,595,634,120,392/181,866,690.91 - Step 6: Final answer
x = 135,564,107.48
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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.