Finding the Fourth Proportional to 186,281,061.38, 257,057,246.41 and 106,879,291.41
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Solution
The fourth proportional to 186,281,061.38, 257,057,246.41 and 106,879,291.41 is: 147,487,329.87
Step by Step Solution
- Step 1: Write the proportion equation
186,281,061.38 : 257,057,246.41 = 106,879,291.41 : x - Step 2: Convert to fraction form
186,281,061.38/257,057,246.41 = 106,879,291.41/x - Step 3: Cross multiply
186,281,061.38x = 257,057,246.41 × 106,879,291.41 - Step 4: Simplify right side
186,281,061.38x = 27,474,096,348,106,564 - Step 5: Solve for x
x = 27,474,096,348,106,564/186,281,061.38 - Step 6: Final answer
x = 147,487,329.87
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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.