Finding the Fourth Proportional to 80,460,187.80, 120,690,281.70 and 29,343,874.20
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Solution
The fourth proportional to 80,460,187.80, 120,690,281.70 and 29,343,874.20 is: 44,015,811.30
Step by Step Solution
- Step 1: Write the proportion equation
80,460,187.80 : 120,690,281.70 = 29,343,874.20 : x - Step 2: Convert to fraction form
80,460,187.80/120,690,281.70 = 29,343,874.20/x - Step 3: Cross multiply
80,460,187.80x = 120,690,281.70 × 29,343,874.20 - Step 4: Simplify right side
80,460,187.80x = 3,541,520,443,367,362 - Step 5: Solve for x
x = 3,541,520,443,367,362/80,460,187.80 - Step 6: Final answer
x = 44,015,811.30
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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.