Finding the Fourth Proportional to 181,656,350.97, 251,013,681.45 and 129,354,585.36
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Solution
The fourth proportional to 181,656,350.97, 251,013,681.45 and 129,354,585.36 is: 178,742,832.33
Step by Step Solution
- Step 1: Write the proportion equation
181,656,350.97 : 251,013,681.45 = 129,354,585.36 : x - Step 2: Convert to fraction form
181,656,350.97/251,013,681.45 = 129,354,585.36/x - Step 3: Cross multiply
181,656,350.97x = 251,013,681.45 × 129,354,585.36 - Step 4: Simplify right side
181,656,350.97x = 32,469,770,683,651,872 - Step 5: Solve for x
x = 32,469,770,683,651,872/181,656,350.97 - Step 6: Final answer
x = 178,742,832.33
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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.