Finding the Fourth Proportional to 181,757,122.19, 272,635,689.21 and 45,442,505.69
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Solution
The fourth proportional to 181,757,122.19, 272,635,689.21 and 45,442,505.69 is: 68,163,760.01
Step by Step Solution
- Step 1: Write the proportion equation
181,757,122.19 : 272,635,689.21 = 45,442,505.69 : x - Step 2: Convert to fraction form
181,757,122.19/272,635,689.21 = 45,442,505.69/x - Step 3: Cross multiply
181,757,122.19x = 272,635,689.21 × 45,442,505.69 - Step 4: Simplify right side
181,757,122.19x = 12,389,248,857,710,838 - Step 5: Solve for x
x = 12,389,248,857,710,838/181,757,122.19 - Step 6: Final answer
x = 68,163,760.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.