Finding the Fourth Proportional to 163,309,239.20, 244,963,858.80 and 108,889,680.80
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Solution
The fourth proportional to 163,309,239.20, 244,963,858.80 and 108,889,680.80 is: 163,334,521.20
Step by Step Solution
- Step 1: Write the proportion equation
163,309,239.20 : 244,963,858.80 = 108,889,680.80 : x - Step 2: Convert to fraction form
163,309,239.20/244,963,858.80 = 108,889,680.80/x - Step 3: Cross multiply
163,309,239.20x = 244,963,858.80 × 108,889,680.80 - Step 4: Simplify right side
163,309,239.20x = 26,674,036,392,268,272 - Step 5: Solve for x
x = 26,674,036,392,268,272/163,309,239.20 - Step 6: Final answer
x = 163,334,521.20
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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.