Finding the Fourth Proportional to 161,703,289.80, 242,554,934.70 and 136,194,121.80
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Solution
The fourth proportional to 161,703,289.80, 242,554,934.70 and 136,194,121.80 is: 204,291,182.70
Step by Step Solution
- Step 1: Write the proportion equation
161,703,289.80 : 242,554,934.70 = 136,194,121.80 : x - Step 2: Convert to fraction form
161,703,289.80/242,554,934.70 = 136,194,121.80/x - Step 3: Cross multiply
161,703,289.80x = 242,554,934.70 × 136,194,121.80 - Step 4: Simplify right side
161,703,289.80x = 33,034,556,319,722,848 - Step 5: Solve for x
x = 33,034,556,319,722,848/161,703,289.80 - Step 6: Final answer
x = 204,291,182.70
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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.