Finding the Fourth Proportional to 221,418,204.40, 332,127,306.60 and 169,762,139.20
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Solution
The fourth proportional to 221,418,204.40, 332,127,306.60 and 169,762,139.20 is: 254,643,208.80
Step by Step Solution
- Step 1: Write the proportion equation
221,418,204.40 : 332,127,306.60 = 169,762,139.20 : x - Step 2: Convert to fraction form
221,418,204.40/332,127,306.60 = 169,762,139.20/x - Step 3: Cross multiply
221,418,204.40x = 332,127,306.60 × 169,762,139.20 - Step 4: Simplify right side
221,418,204.40x = 56,382,642,055,150,280 - Step 5: Solve for x
x = 56,382,642,055,150,280/221,418,204.40 - Step 6: Final answer
x = 254,643,208.80
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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.