Finding the Fourth Proportional to 80,988,492.64, 111,764,125.68 and 44,319,065.44
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Solution
The fourth proportional to 80,988,492.64, 111,764,125.68 and 44,319,065.44 is: 61,160,313.50
Step by Step Solution
- Step 1: Write the proportion equation
80,988,492.64 : 111,764,125.68 = 44,319,065.44 : x - Step 2: Convert to fraction form
80,988,492.64/111,764,125.68 = 44,319,065.44/x - Step 3: Cross multiply
80,988,492.64x = 111,764,125.68 × 44,319,065.44 - Step 4: Simplify right side
80,988,492.64x = 4,953,281,599,856,305 - Step 5: Solve for x
x = 4,953,281,599,856,305/80,988,492.64 - Step 6: Final answer
x = 61,160,313.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.