Finding the Fourth Proportional to 71,610,203.52, 98,743,880.52 and 48,364,973.64
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Solution
The fourth proportional to 71,610,203.52, 98,743,880.52 and 48,364,973.64 is: 66,690,847.72
Step by Step Solution
- Step 1: Write the proportion equation
71,610,203.52 : 98,743,880.52 = 48,364,973.64 : x - Step 2: Convert to fraction form
71,610,203.52/98,743,880.52 = 48,364,973.64/x - Step 3: Cross multiply
71,610,203.52x = 98,743,880.52 × 48,364,973.64 - Step 4: Simplify right side
71,610,203.52x = 4,775,745,178,461,109 - Step 5: Solve for x
x = 4,775,745,178,461,109/71,610,203.52 - Step 6: Final answer
x = 66,690,847.72
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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.