Finding the Fourth Proportional to 161,941,793.10, 242,717,525.84 and 74,382,484.26
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Solution
The fourth proportional to 161,941,793.10, 242,717,525.84 and 74,382,484.26 is: 111,484,084.50
Step by Step Solution
- Step 1: Write the proportion equation
161,941,793.10 : 242,717,525.84 = 74,382,484.26 : x - Step 2: Convert to fraction form
161,941,793.10/242,717,525.84 = 74,382,484.26/x - Step 3: Cross multiply
161,941,793.10x = 242,717,525.84 × 74,382,484.26 - Step 4: Simplify right side
161,941,793.10x = 18,053,932,545,419,944 - Step 5: Solve for x
x = 18,053,932,545,419,944/161,941,793.10 - Step 6: Final answer
x = 111,484,084.50
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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.