Finding the Fourth Proportional to 194,432,165.15, 268,337,181.40 and 119,128,467.75
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Solution
The fourth proportional to 194,432,165.15, 268,337,181.40 and 119,128,467.75 is: 164,410,025.66
Step by Step Solution
- Step 1: Write the proportion equation
194,432,165.15 : 268,337,181.40 = 119,128,467.75 : x - Step 2: Convert to fraction form
194,432,165.15/268,337,181.40 = 119,128,467.75/x - Step 3: Cross multiply
194,432,165.15x = 268,337,181.40 × 119,128,467.75 - Step 4: Simplify right side
194,432,165.15x = 31,966,597,260,535,800 - Step 5: Solve for x
x = 31,966,597,260,535,800/194,432,165.15 - Step 6: Final answer
x = 164,410,025.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.