Finding the Fourth Proportional to 220,474,988.37, 304,253,069.49 and 121,353,616.53
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Solution
The fourth proportional to 220,474,988.37, 304,253,069.49 and 121,353,616.53 is: 167,466,661.85
Step by Step Solution
- Step 1: Write the proportion equation
220,474,988.37 : 304,253,069.49 = 121,353,616.53 : x - Step 2: Convert to fraction form
220,474,988.37/304,253,069.49 = 121,353,616.53/x - Step 3: Cross multiply
220,474,988.37x = 304,253,069.49 × 121,353,616.53 - Step 4: Simplify right side
220,474,988.37x = 36,922,210,322,964,904 - Step 5: Solve for x
x = 36,922,210,322,964,904/220,474,988.37 - Step 6: Final answer
x = 167,466,661.85
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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.