Finding the Fourth Proportional to 186,351,923.97, 257,177,160.68 and 102,719,865.96
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Solution
The fourth proportional to 186,351,923.97, 257,177,160.68 and 102,719,865.96 is: 141,759,757.08
Step by Step Solution
- Step 1: Write the proportion equation
186,351,923.97 : 257,177,160.68 = 102,719,865.96 : x - Step 2: Convert to fraction form
186,351,923.97/257,177,160.68 = 102,719,865.96/x - Step 3: Cross multiply
186,351,923.97x = 257,177,160.68 × 102,719,865.96 - Step 4: Simplify right side
186,351,923.97x = 26,417,203,472,509,384 - Step 5: Solve for x
x = 26,417,203,472,509,384/186,351,923.97 - Step 6: Final answer
x = 141,759,757.08
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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.