Finding the Fourth Proportional to 83,541,602.96, 115,294,707.28 and 48,745,503.44
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Solution
The fourth proportional to 83,541,602.96, 115,294,707.28 and 48,745,503.44 is: 67,273,051.40
Step by Step Solution
- Step 1: Write the proportion equation
83,541,602.96 : 115,294,707.28 = 48,745,503.44 : x - Step 2: Convert to fraction form
83,541,602.96/115,294,707.28 = 48,745,503.44/x - Step 3: Cross multiply
83,541,602.96x = 115,294,707.28 × 48,745,503.44 - Step 4: Simplify right side
83,541,602.96x = 5,620,098,550,331,033 - Step 5: Solve for x
x = 5,620,098,550,331,033/83,541,602.96 - Step 6: Final answer
x = 67,273,051.40
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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.