Finding the Fourth Proportional to 181,117,246.20, 271,675,869.30 and 130,476,823.80
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Solution
The fourth proportional to 181,117,246.20, 271,675,869.30 and 130,476,823.80 is: 195,715,235.70
Step by Step Solution
- Step 1: Write the proportion equation
181,117,246.20 : 271,675,869.30 = 130,476,823.80 : x - Step 2: Convert to fraction form
181,117,246.20/271,675,869.30 = 130,476,823.80/x - Step 3: Cross multiply
181,117,246.20x = 271,675,869.30 × 130,476,823.80 - Step 4: Simplify right side
181,117,246.20x = 35,447,404,529,367,932 - Step 5: Solve for x
x = 35,447,404,529,367,932/181,117,246.20 - Step 6: Final answer
x = 195,715,235.70
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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.