Finding the Fourth Proportional to 83,310,007.32, 125,045,614.62 and 40,209,550.92
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Solution
The fourth proportional to 83,310,007.32, 125,045,614.62 and 40,209,550.92 is: 60,353,229.70
Step by Step Solution
- Step 1: Write the proportion equation
83,310,007.32 : 125,045,614.62 = 40,209,550.92 : x - Step 2: Convert to fraction form
83,310,007.32/125,045,614.62 = 40,209,550.92/x - Step 3: Cross multiply
83,310,007.32x = 125,045,614.62 × 40,209,550.92 - Step 4: Simplify right side
83,310,007.32x = 5,028,028,008,385,587 - Step 5: Solve for x
x = 5,028,028,008,385,587/83,310,007.32 - Step 6: Final answer
x = 60,353,229.70
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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.