Finding the Fourth Proportional to 87,414,403.68, 120,628,713.84 and 48,255,339.36
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Solution
The fourth proportional to 87,414,403.68, 120,628,713.84 and 48,255,339.36 is: 66,590,622.12
Step by Step Solution
- Step 1: Write the proportion equation
87,414,403.68 : 120,628,713.84 = 48,255,339.36 : x - Step 2: Convert to fraction form
87,414,403.68/120,628,713.84 = 48,255,339.36/x - Step 3: Cross multiply
87,414,403.68x = 120,628,713.84 × 48,255,339.36 - Step 4: Simplify right side
87,414,403.68x = 5,820,979,522,909,529 - Step 5: Solve for x
x = 5,820,979,522,909,529/87,414,403.68 - Step 6: Final answer
x = 66,590,622.12
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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.