Finding the Fourth Proportional to 203,361,807.55, 280,639,475.26 and 110,542,315.40
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Solution
The fourth proportional to 203,361,807.55, 280,639,475.26 and 110,542,315.40 is: 152,548,493.55
Step by Step Solution
- Step 1: Write the proportion equation
203,361,807.55 : 280,639,475.26 = 110,542,315.40 : x - Step 2: Convert to fraction form
203,361,807.55/280,639,475.26 = 110,542,315.40/x - Step 3: Cross multiply
203,361,807.55x = 280,639,475.26 × 110,542,315.40 - Step 4: Simplify right side
203,361,807.55x = 31,022,537,387,881,416 - Step 5: Solve for x
x = 31,022,537,387,881,416/203,361,807.55 - Step 6: Final answer
x = 152,548,493.55
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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.