Finding the Fourth Proportional to 239,585,229.49, 330,642,737.18 and 135,125,186.53
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Solution
The fourth proportional to 239,585,229.49, 330,642,737.18 and 135,125,186.53 is: 186,481,285.31
Step by Step Solution
- Step 1: Write the proportion equation
239,585,229.49 : 330,642,737.18 = 135,125,186.53 : x - Step 2: Convert to fraction form
239,585,229.49/330,642,737.18 = 135,125,186.53/x - Step 3: Cross multiply
239,585,229.49x = 330,642,737.18 × 135,125,186.53 - Step 4: Simplify right side
239,585,229.49x = 44,678,161,535,480,352 - Step 5: Solve for x
x = 44,678,161,535,480,352/239,585,229.49 - Step 6: Final answer
x = 186,481,285.31
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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.