Finding the Fourth Proportional to 295,490,142.30, 443,235,213.45 and 173,046,135.90
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Solution
The fourth proportional to 295,490,142.30, 443,235,213.45 and 173,046,135.90 is: 259,569,203.85
Step by Step Solution
- Step 1: Write the proportion equation
295,490,142.30 : 443,235,213.45 = 173,046,135.90 : x - Step 2: Convert to fraction form
295,490,142.30/443,235,213.45 = 173,046,135.90/x - Step 3: Cross multiply
295,490,142.30x = 443,235,213.45 × 173,046,135.90 - Step 4: Simplify right side
295,490,142.30x = 76,700,140,982,334,208 - Step 5: Solve for x
x = 76,700,140,982,334,208/295,490,142.30 - Step 6: Final answer
x = 259,569,203.85
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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.