Finding the Fourth Proportional to 189,119,694.08, 260,973,930.30 and 109,728,605.24
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Solution
The fourth proportional to 189,119,694.08, 260,973,930.30 and 109,728,605.24 is: 151,418,949.33
Step by Step Solution
- Step 1: Write the proportion equation
189,119,694.08 : 260,973,930.30 = 109,728,605.24 : x - Step 2: Convert to fraction form
189,119,694.08/260,973,930.30 = 109,728,605.24/x - Step 3: Cross multiply
189,119,694.08x = 260,973,930.30 × 109,728,605.24 - Step 4: Simplify right side
189,119,694.08x = 28,636,305,375,819,976 - Step 5: Solve for x
x = 28,636,305,375,819,976/189,119,694.08 - Step 6: Final answer
x = 151,418,949.33
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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.