Finding the Fourth Proportional to 194,928,604.30, 292,392,906.45 and 79,995,630.70
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Solution
The fourth proportional to 194,928,604.30, 292,392,906.45 and 79,995,630.70 is: 119,993,446.05
Step by Step Solution
- Step 1: Write the proportion equation
194,928,604.30 : 292,392,906.45 = 79,995,630.70 : x - Step 2: Convert to fraction form
194,928,604.30/292,392,906.45 = 79,995,630.70/x - Step 3: Cross multiply
194,928,604.30x = 292,392,906.45 × 79,995,630.70 - Step 4: Simplify right side
194,928,604.30x = 23,390,154,963,673,848 - Step 5: Solve for x
x = 23,390,154,963,673,848/194,928,604.30 - Step 6: Final answer
x = 119,993,446.05
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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.