Finding the Fourth Proportional to 161,703,211.80, 242,554,817.70 and 136,194,043.80
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Solution
The fourth proportional to 161,703,211.80, 242,554,817.70 and 136,194,043.80 is: 204,291,065.70
Step by Step Solution
- Step 1: Write the proportion equation
161,703,211.80 : 242,554,817.70 = 136,194,043.80 : x - Step 2: Convert to fraction form
161,703,211.80/242,554,817.70 = 136,194,043.80/x - Step 3: Cross multiply
161,703,211.80x = 242,554,817.70 × 136,194,043.80 - Step 4: Simplify right side
161,703,211.80x = 33,034,521,465,734,816 - Step 5: Solve for x
x = 33,034,521,465,734,816/161,703,211.80 - Step 6: Final answer
x = 204,291,065.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.