Finding the Fourth Proportional to 83,520,440.64, 125,240,157.60 and 48,988,126.56
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Solution
The fourth proportional to 83,520,440.64, 125,240,157.60 and 48,988,126.56 is: 73,458,432.98
Step by Step Solution
- Step 1: Write the proportion equation
83,520,440.64 : 125,240,157.60 = 48,988,126.56 : x - Step 2: Convert to fraction form
83,520,440.64/125,240,157.60 = 48,988,126.56/x - Step 3: Cross multiply
83,520,440.64x = 125,240,157.60 × 48,988,126.56 - Step 4: Simplify right side
83,520,440.64x = 6,135,280,690,903,146 - Step 5: Solve for x
x = 6,135,280,690,903,146/83,520,440.64 - Step 6: Final answer
x = 73,458,432.98
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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.