Finding the Fourth Proportional to 111,769,926.20, 167,654,889.30 and 106,479,135.80
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Solution
The fourth proportional to 111,769,926.20, 167,654,889.30 and 106,479,135.80 is: 159,718,703.70
Step by Step Solution
- Step 1: Write the proportion equation
111,769,926.20 : 167,654,889.30 = 106,479,135.80 : x - Step 2: Convert to fraction form
111,769,926.20/167,654,889.30 = 106,479,135.80/x - Step 3: Cross multiply
111,769,926.20x = 167,654,889.30 × 106,479,135.80 - Step 4: Simplify right side
111,769,926.20x = 17,851,747,725,308,668 - Step 5: Solve for x
x = 17,851,747,725,308,668/111,769,926.20 - Step 6: Final answer
x = 159,718,703.70
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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.