Finding the Fourth Proportional to 189,043,747.80, 283,565,621.70 and 73,990,051.80
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Solution
The fourth proportional to 189,043,747.80, 283,565,621.70 and 73,990,051.80 is: 110,985,077.70
Step by Step Solution
- Step 1: Write the proportion equation
189,043,747.80 : 283,565,621.70 = 73,990,051.80 : x - Step 2: Convert to fraction form
189,043,747.80/283,565,621.70 = 73,990,051.80/x - Step 3: Cross multiply
189,043,747.80x = 283,565,621.70 × 73,990,051.80 - Step 4: Simplify right side
189,043,747.80x = 20,981,035,038,282,204 - Step 5: Solve for x
x = 20,981,035,038,282,204/189,043,747.80 - Step 6: Final answer
x = 110,985,077.70
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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.