Finding the Fourth Proportional to 227,090,415.80, 340,635,623.70 and 97,759,983.80
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Solution
The fourth proportional to 227,090,415.80, 340,635,623.70 and 97,759,983.80 is: 146,639,975.70
Step by Step Solution
- Step 1: Write the proportion equation
227,090,415.80 : 340,635,623.70 = 97,759,983.80 : x - Step 2: Convert to fraction form
227,090,415.80/340,635,623.70 = 97,759,983.80/x - Step 3: Cross multiply
227,090,415.80x = 340,635,623.70 × 97,759,983.80 - Step 4: Simplify right side
227,090,415.80x = 33,300,533,054,614,892 - Step 5: Solve for x
x = 33,300,533,054,614,892/227,090,415.80 - Step 6: Final answer
x = 146,639,975.70
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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.