Finding the Fourth Proportional to 180,696,005.80, 271,044,008.70 and 153,486,226.60
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Solution
The fourth proportional to 180,696,005.80, 271,044,008.70 and 153,486,226.60 is: 230,229,339.90
Step by Step Solution
- Step 1: Write the proportion equation
180,696,005.80 : 271,044,008.70 = 153,486,226.60 : x - Step 2: Convert to fraction form
180,696,005.80/271,044,008.70 = 153,486,226.60/x - Step 3: Cross multiply
180,696,005.80x = 271,044,008.70 × 153,486,226.60 - Step 4: Simplify right side
180,696,005.80x = 41,601,522,137,900,568 - Step 5: Solve for x
x = 41,601,522,137,900,568/180,696,005.80 - Step 6: Final answer
x = 230,229,339.90
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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.