Finding the Fourth Proportional to 230,321,668.22, 345,482,502.35 and 76,967,724.66
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Solution
The fourth proportional to 230,321,668.22, 345,482,502.35 and 76,967,724.66 is: 115,451,586.99
Step by Step Solution
- Step 1: Write the proportion equation
230,321,668.22 : 345,482,502.35 = 76,967,724.66 : x - Step 2: Convert to fraction form
230,321,668.22/345,482,502.35 = 76,967,724.66/x - Step 3: Cross multiply
230,321,668.22x = 345,482,502.35 × 76,967,724.66 - Step 4: Simplify right side
230,321,668.22x = 26,591,002,114,041,516 - Step 5: Solve for x
x = 26,591,002,114,041,516/230,321,668.22 - Step 6: Final answer
x = 115,451,586.99
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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.