Finding the Fourth Proportional to 207,116,329.12, 285,826,593.81 and 113,036,510.26
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Solution
The fourth proportional to 207,116,329.12, 285,826,593.81 and 113,036,510.26 is: 155,993,691.28
Step by Step Solution
- Step 1: Write the proportion equation
207,116,329.12 : 285,826,593.81 = 113,036,510.26 : x - Step 2: Convert to fraction form
207,116,329.12/285,826,593.81 = 113,036,510.26/x - Step 3: Cross multiply
207,116,329.12x = 285,826,593.81 × 113,036,510.26 - Step 4: Simplify right side
207,116,329.12x = 32,308,840,703,784,920 - Step 5: Solve for x
x = 32,308,840,703,784,920/207,116,329.12 - Step 6: Final answer
x = 155,993,691.28
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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.