Finding the Fourth Proportional to 86,069,399.04, 118,775,815.68 and 48,899,745.60
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Solution
The fourth proportional to 86,069,399.04, 118,775,815.68 and 48,899,745.60 is: 67,481,674.50
Step by Step Solution
- Step 1: Write the proportion equation
86,069,399.04 : 118,775,815.68 = 48,899,745.60 : x - Step 2: Convert to fraction form
86,069,399.04/118,775,815.68 = 48,899,745.60/x - Step 3: Cross multiply
86,069,399.04x = 118,775,815.68 × 48,899,745.60 - Step 4: Simplify right side
86,069,399.04x = 5,808,107,170,184,492 - Step 5: Solve for x
x = 5,808,107,170,184,492/86,069,399.04 - Step 6: Final answer
x = 67,481,674.50
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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.