Finding the Fourth Proportional to 203,361,805.05, 280,639,471.81 and 110,542,312.90
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Solution
The fourth proportional to 203,361,805.05, 280,639,471.81 and 110,542,312.90 is: 152,548,490.10
Step by Step Solution
- Step 1: Write the proportion equation
203,361,805.05 : 280,639,471.81 = 110,542,312.90 : x - Step 2: Convert to fraction form
203,361,805.05/280,639,471.81 = 110,542,312.90/x - Step 3: Cross multiply
203,361,805.05x = 280,639,471.81 × 110,542,312.90 - Step 4: Simplify right side
203,361,805.05x = 31,022,536,304,911,752 - Step 5: Solve for x
x = 31,022,536,304,911,752/203,361,805.05 - Step 6: Final answer
x = 152,548,490.10
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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.