Finding the Fourth Proportional to 176,170,941.20, 264,256,411.80 and 48,520,125.20
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Solution
The fourth proportional to 176,170,941.20, 264,256,411.80 and 48,520,125.20 is: 72,780,187.80
Step by Step Solution
- Step 1: Write the proportion equation
176,170,941.20 : 264,256,411.80 = 48,520,125.20 : x - Step 2: Convert to fraction form
176,170,941.20/264,256,411.80 = 48,520,125.20/x - Step 3: Cross multiply
176,170,941.20x = 264,256,411.80 × 48,520,125.20 - Step 4: Simplify right side
176,170,941.20x = 12,821,754,185,438,758 - Step 5: Solve for x
x = 12,821,754,185,438,758/176,170,941.20 - Step 6: Final answer
x = 72,780,187.80
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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.