Finding the Fourth Proportional to 327,456,069.30, 491,184,103.95 and 163,719,097.20
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Solution
The fourth proportional to 327,456,069.30, 491,184,103.95 and 163,719,097.20 is: 245,578,645.80
Step by Step Solution
- Step 1: Write the proportion equation
327,456,069.30 : 491,184,103.95 = 163,719,097.20 : x - Step 2: Convert to fraction form
327,456,069.30/491,184,103.95 = 163,719,097.20/x - Step 3: Cross multiply
327,456,069.30x = 491,184,103.95 × 163,719,097.20 - Step 4: Simplify right side
327,456,069.30x = 80,416,218,057,684,944 - Step 5: Solve for x
x = 80,416,218,057,684,944/327,456,069.30 - Step 6: Final answer
x = 245,578,645.80
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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.