Finding the Fourth Proportional to 199,697,844.40, 299,546,766.60 and 163,418,138.80
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Solution
The fourth proportional to 199,697,844.40, 299,546,766.60 and 163,418,138.80 is: 245,127,208.20
Step by Step Solution
- Step 1: Write the proportion equation
199,697,844.40 : 299,546,766.60 = 163,418,138.80 : x - Step 2: Convert to fraction form
199,697,844.40/299,546,766.60 = 163,418,138.80/x - Step 3: Cross multiply
199,697,844.40x = 299,546,766.60 × 163,418,138.80 - Step 4: Simplify right side
199,697,844.40x = 48,951,375,081,330,008 - Step 5: Solve for x
x = 48,951,375,081,330,008/199,697,844.40 - Step 6: Final answer
x = 245,127,208.20
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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.