Finding the Fourth Proportional to 87,414,391.68, 120,628,697.28 and 48,255,327.36
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Solution
The fourth proportional to 87,414,391.68, 120,628,697.28 and 48,255,327.36 is: 66,590,605.56
Step by Step Solution
- Step 1: Write the proportion equation
87,414,391.68 : 120,628,697.28 = 48,255,327.36 : x - Step 2: Convert to fraction form
87,414,391.68/120,628,697.28 = 48,255,327.36/x - Step 3: Cross multiply
87,414,391.68x = 120,628,697.28 × 48,255,327.36 - Step 4: Simplify right side
87,414,391.68x = 5,820,977,276,256,742 - Step 5: Solve for x
x = 5,820,977,276,256,742/87,414,391.68 - Step 6: Final answer
x = 66,590,605.56
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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.