Finding the Fourth Proportional to 181,157,949.36, 249,964,760.91 and 106,841,764.80
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Solution
The fourth proportional to 181,157,949.36, 249,964,760.91 and 106,841,764.80 is: 147,422,049.59
Step by Step Solution
- Step 1: Write the proportion equation
181,157,949.36 : 249,964,760.91 = 106,841,764.80 : x - Step 2: Convert to fraction form
181,157,949.36/249,964,760.91 = 106,841,764.80/x - Step 3: Cross multiply
181,157,949.36x = 249,964,760.91 × 106,841,764.80 - Step 4: Simplify right side
181,157,949.36x = 26,706,676,194,772,476 - Step 5: Solve for x
x = 26,706,676,194,772,476/181,157,949.36 - Step 6: Final answer
x = 147,422,049.59
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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.