Finding the Fourth Proportional to 76,703,632.59, 115,055,449.84 and 18,411,310.44
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Solution
The fourth proportional to 76,703,632.59, 115,055,449.84 and 18,411,310.44 is: 27,616,965.88
Step by Step Solution
- Step 1: Write the proportion equation
76,703,632.59 : 115,055,449.84 = 18,411,310.44 : x - Step 2: Convert to fraction form
76,703,632.59/115,055,449.84 = 18,411,310.44/x - Step 3: Cross multiply
76,703,632.59x = 115,055,449.84 × 18,411,310.44 - Step 4: Simplify right side
76,703,632.59x = 2,118,321,604,150,754.25 - Step 5: Solve for x
x = 2,118,321,604,150,754.25/76,703,632.59 - Step 6: Final answer
x = 27,616,965.88
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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.