Finding the Fourth Proportional to 87,433,807.08, 120,659,092.92 and 48,275,659.56
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Solution
The fourth proportional to 87,433,807.08, 120,659,092.92 and 48,275,659.56 is: 66,620,652.66
Step by Step Solution
- Step 1: Write the proportion equation
87,433,807.08 : 120,659,092.92 = 48,275,659.56 : x - Step 2: Convert to fraction form
87,433,807.08/120,659,092.92 = 48,275,659.56/x - Step 3: Cross multiply
87,433,807.08x = 120,659,092.92 × 48,275,659.56 - Step 4: Simplify right side
87,433,807.08x = 5,824,897,292,624,327 - Step 5: Solve for x
x = 5,824,897,292,624,327/87,433,807.08 - Step 6: Final answer
x = 66,620,652.66
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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.