Finding the Fourth Proportional to 189,043,818.30, 283,565,727.45 and 73,990,122.30
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Solution
The fourth proportional to 189,043,818.30, 283,565,727.45 and 73,990,122.30 is: 110,985,183.45
Step by Step Solution
- Step 1: Write the proportion equation
189,043,818.30 : 283,565,727.45 = 73,990,122.30 : x - Step 2: Convert to fraction form
189,043,818.30/283,565,727.45 = 73,990,122.30/x - Step 3: Cross multiply
189,043,818.30x = 283,565,727.45 × 73,990,122.30 - Step 4: Simplify right side
189,043,818.30x = 20,981,062,854,113,964 - Step 5: Solve for x
x = 20,981,062,854,113,964/189,043,818.30 - Step 6: Final answer
x = 110,985,183.45
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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.