Finding the Fourth Proportional to 187,288,074.43, 280,959,029.69 and 57,905,773.63
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Solution
The fourth proportional to 187,288,074.43, 280,959,029.69 and 57,905,773.63 is: 86,866,982.97
Step by Step Solution
- Step 1: Write the proportion equation
187,288,074.43 : 280,959,029.69 = 57,905,773.63 : x - Step 2: Convert to fraction form
187,288,074.43/280,959,029.69 = 57,905,773.63/x - Step 3: Cross multiply
187,288,074.43x = 280,959,029.69 × 57,905,773.63 - Step 4: Simplify right side
187,288,074.43x = 16,269,149,971,541,662 - Step 5: Solve for x
x = 16,269,149,971,541,662/187,288,074.43 - Step 6: Final answer
x = 86,866,982.97
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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.