Finding the Fourth Proportional to 45,168,220.68, 67,714,243.20 and 19,589,964.54
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Solution
The fourth proportional to 45,168,220.68, 67,714,243.20 and 19,589,964.54 is: 29,368,427.69
Step by Step Solution
- Step 1: Write the proportion equation
45,168,220.68 : 67,714,243.20 = 19,589,964.54 : x - Step 2: Convert to fraction form
45,168,220.68/67,714,243.20 = 19,589,964.54/x - Step 3: Cross multiply
45,168,220.68x = 67,714,243.20 × 19,589,964.54 - Step 4: Simplify right side
45,168,220.68x = 1,326,519,623,140,936.25 - Step 5: Solve for x
x = 1,326,519,623,140,936.25/45,168,220.68 - Step 6: Final answer
x = 29,368,427.69
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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.