Finding the Fourth Proportional to 128,980,584.28, 193,279,555.77 and 94,734,526.24
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Solution
The fourth proportional to 128,980,584.28, 193,279,555.77 and 94,734,526.24 is: 141,961,266.88
Step by Step Solution
- Step 1: Write the proportion equation
128,980,584.28 : 193,279,555.77 = 94,734,526.24 : x - Step 2: Convert to fraction form
128,980,584.28/193,279,555.77 = 94,734,526.24/x - Step 3: Cross multiply
128,980,584.28x = 193,279,555.77 × 94,734,526.24 - Step 4: Simplify right side
128,980,584.28x = 18,310,247,147,748,608 - Step 5: Solve for x
x = 18,310,247,147,748,608/128,980,584.28 - Step 6: Final answer
x = 141,961,266.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.