Finding the Fourth Proportional to 208,642,201.20, 312,963,301.80 and 183,133,033.20
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Solution
The fourth proportional to 208,642,201.20, 312,963,301.80 and 183,133,033.20 is: 274,699,549.80
Step by Step Solution
- Step 1: Write the proportion equation
208,642,201.20 : 312,963,301.80 = 183,133,033.20 : x - Step 2: Convert to fraction form
208,642,201.20/312,963,301.80 = 183,133,033.20/x - Step 3: Cross multiply
208,642,201.20x = 312,963,301.80 × 183,133,033.20 - Step 4: Simplify right side
208,642,201.20x = 57,313,918,738,921,016 - Step 5: Solve for x
x = 57,313,918,738,921,016/208,642,201.20 - Step 6: Final answer
x = 274,699,549.80
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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.