Finding the Fourth Proportional to 239,815,859.02, 330,927,414.87 and 135,404,236.24
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Solution
The fourth proportional to 239,815,859.02, 330,927,414.87 and 135,404,236.24 is: 186,847,417.20
Step by Step Solution
- Step 1: Write the proportion equation
239,815,859.02 : 330,927,414.87 = 135,404,236.24 : x - Step 2: Convert to fraction form
239,815,859.02/330,927,414.87 = 135,404,236.24/x - Step 3: Cross multiply
239,815,859.02x = 330,927,414.87 × 135,404,236.24 - Step 4: Simplify right side
239,815,859.02x = 44,808,973,861,349,976 - Step 5: Solve for x
x = 44,808,973,861,349,976/239,815,859.02 - Step 6: Final answer
x = 186,847,417.20
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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.