Finding the Fourth Proportional to 112,297,816.20, 168,446,724.30 and 107,833,711.80
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Solution
The fourth proportional to 112,297,816.20, 168,446,724.30 and 107,833,711.80 is: 161,750,567.70
Step by Step Solution
- Step 1: Write the proportion equation
112,297,816.20 : 168,446,724.30 = 107,833,711.80 : x - Step 2: Convert to fraction form
112,297,816.20/168,446,724.30 = 107,833,711.80/x - Step 3: Cross multiply
112,297,816.20x = 168,446,724.30 × 107,833,711.80 - Step 4: Simplify right side
112,297,816.20x = 18,164,235,521,820,256 - Step 5: Solve for x
x = 18,164,235,521,820,256/112,297,816.20 - Step 6: Final answer
x = 161,750,567.70
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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.