Finding the Fourth Proportional to 163,979,722.68, 226,293,523.05 and 93,414,287.04
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Solution
The fourth proportional to 163,979,722.68, 226,293,523.05 and 93,414,287.04 is: 128,912,573.90
Step by Step Solution
- Step 1: Write the proportion equation
163,979,722.68 : 226,293,523.05 = 93,414,287.04 : x - Step 2: Convert to fraction form
163,979,722.68/226,293,523.05 = 93,414,287.04/x - Step 3: Cross multiply
163,979,722.68x = 226,293,523.05 × 93,414,287.04 - Step 4: Simplify right side
163,979,722.68x = 21,139,048,117,485,560 - Step 5: Solve for x
x = 21,139,048,117,485,560/163,979,722.68 - Step 6: Final answer
x = 128,912,573.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.