Finding the Fourth Proportional to 125,186,788.68, 187,647,650.79 and 42,109,452.96
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Solution
The fourth proportional to 125,186,788.68, 187,647,650.79 and 42,109,452.96 is: 63,119,599.18
Step by Step Solution
- Step 1: Write the proportion equation
125,186,788.68 : 187,647,650.79 = 42,109,452.96 : x - Step 2: Convert to fraction form
125,186,788.68/187,647,650.79 = 42,109,452.96/x - Step 3: Cross multiply
125,186,788.68x = 187,647,650.79 × 42,109,452.96 - Step 4: Simplify right side
125,186,788.68x = 7,901,739,923,996,012 - Step 5: Solve for x
x = 7,901,739,923,996,012/125,186,788.68 - Step 6: Final answer
x = 63,119,599.18
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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.