Finding the Fourth Proportional to 194,432,163.15, 268,337,178.64 and 119,128,465.75
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Solution
The fourth proportional to 194,432,163.15, 268,337,178.64 and 119,128,465.75 is: 164,410,022.89
Step by Step Solution
- Step 1: Write the proportion equation
194,432,163.15 : 268,337,178.64 = 119,128,465.75 : x - Step 2: Convert to fraction form
194,432,163.15/268,337,178.64 = 119,128,465.75/x - Step 3: Cross multiply
194,432,163.15x = 268,337,178.64 × 119,128,465.75 - Step 4: Simplify right side
194,432,163.15x = 31,966,596,394,545,500 - Step 5: Solve for x
x = 31,966,596,394,545,500/194,432,163.15 - Step 6: Final answer
x = 164,410,022.89
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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.