Finding the Fourth Proportional to 125,193,157.12, 172,787,242.82 and 69,456,534.41
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Solution
The fourth proportional to 125,193,157.12, 172,787,242.82 and 69,456,534.41 is: 95,861,493.98
Step by Step Solution
- Step 1: Write the proportion equation
125,193,157.12 : 172,787,242.82 = 69,456,534.41 : x - Step 2: Convert to fraction form
125,193,157.12/172,787,242.82 = 69,456,534.41/x - Step 3: Cross multiply
125,193,157.12x = 172,787,242.82 × 69,456,534.41 - Step 4: Simplify right side
125,193,157.12x = 12,001,203,077,012,082 - Step 5: Solve for x
x = 12,001,203,077,012,082/125,193,157.12 - Step 6: Final answer
x = 95,861,493.98
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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.