Finding the Fourth Proportional to 219,942,795.60, 330,126,769.80 and 110,891,102.40
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Solution
The fourth proportional to 219,942,795.60, 330,126,769.80 and 110,891,102.40 is: 166,443,830.70
Step by Step Solution
- Step 1: Write the proportion equation
219,942,795.60 : 330,126,769.80 = 110,891,102.40 : x - Step 2: Convert to fraction form
219,942,795.60/330,126,769.80 = 110,891,102.40/x - Step 3: Cross multiply
219,942,795.60x = 330,126,769.80 × 110,891,102.40 - Step 4: Simplify right side
219,942,795.60x = 36,608,121,434,873,032 - Step 5: Solve for x
x = 36,608,121,434,873,032/219,942,795.60 - Step 6: Final answer
x = 166,443,830.70
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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.