Finding the Fourth Proportional to 186,988,310.86, 280,512,605.58 and 57,595,860.80
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Solution
The fourth proportional to 186,988,310.86, 280,512,605.58 and 57,595,860.80 is: 86,403,074.66
Step by Step Solution
- Step 1: Write the proportion equation
186,988,310.86 : 280,512,605.58 = 57,595,860.80 : x - Step 2: Convert to fraction form
186,988,310.86/280,512,605.58 = 57,595,860.80/x - Step 3: Cross multiply
186,988,310.86x = 280,512,605.58 × 57,595,860.80 - Step 4: Simplify right side
186,988,310.86x = 16,156,364,983,630,982 - Step 5: Solve for x
x = 16,156,364,983,630,982/186,988,310.86 - Step 6: Final answer
x = 86,403,074.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.