Finding the Fourth Proportional to 65,984,875.20, 91,056,735.36 and 36,617,489.28
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Solution
The fourth proportional to 65,984,875.20, 91,056,735.36 and 36,617,489.28 is: 50,530,807.56
Step by Step Solution
- Step 1: Write the proportion equation
65,984,875.20 : 91,056,735.36 = 36,617,489.28 : x - Step 2: Convert to fraction form
65,984,875.20/91,056,735.36 = 36,617,489.28/x - Step 3: Cross multiply
65,984,875.20x = 91,056,735.36 × 36,617,489.28 - Step 4: Simplify right side
65,984,875.20x = 3,334,269,030,916,597 - Step 5: Solve for x
x = 3,334,269,030,916,597/65,984,875.20 - Step 6: Final answer
x = 50,530,807.56
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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.