Finding the Fourth Proportional to 186,281,062.38, 257,057,247.79 and 106,879,292.41
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Solution
The fourth proportional to 186,281,062.38, 257,057,247.79 and 106,879,292.41 is: 147,487,331.25
Step by Step Solution
- Step 1: Write the proportion equation
186,281,062.38 : 257,057,247.79 = 106,879,292.41 : x - Step 2: Convert to fraction form
186,281,062.38/257,057,247.79 = 106,879,292.41/x - Step 3: Cross multiply
186,281,062.38x = 257,057,247.79 × 106,879,292.41 - Step 4: Simplify right side
186,281,062.38x = 27,474,096,752,657,236 - Step 5: Solve for x
x = 27,474,096,752,657,236/186,281,062.38 - Step 6: Final answer
x = 147,487,331.25
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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.