Finding the Fourth Proportional to 186,618,466.14, 279,917,236.44 and 57,225,721.92
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Solution
The fourth proportional to 186,618,466.14, 279,917,236.44 and 57,225,721.92 is: 85,835,374.52
Step by Step Solution
- Step 1: Write the proportion equation
186,618,466.14 : 279,917,236.44 = 57,225,721.92 : x - Step 2: Convert to fraction form
186,618,466.14/279,917,236.44 = 57,225,721.92/x - Step 3: Cross multiply
186,618,466.14x = 279,917,236.44 × 57,225,721.92 - Step 4: Simplify right side
186,618,466.14x = 16,018,465,933,130,332 - Step 5: Solve for x
x = 16,018,465,933,130,332/186,618,466.14 - Step 6: Final answer
x = 85,835,374.52
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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.