Finding the Fourth Proportional to 196,830,216.40, 295,245,324.60 and 60,497,885.20
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Solution
The fourth proportional to 196,830,216.40, 295,245,324.60 and 60,497,885.20 is: 90,746,827.80
Step by Step Solution
- Step 1: Write the proportion equation
196,830,216.40 : 295,245,324.60 = 60,497,885.20 : x - Step 2: Convert to fraction form
196,830,216.40/295,245,324.60 = 60,497,885.20/x - Step 3: Cross multiply
196,830,216.40x = 295,245,324.60 × 60,497,885.20 - Step 4: Simplify right side
196,830,216.40x = 17,861,717,753,487,538 - Step 5: Solve for x
x = 17,861,717,753,487,538/196,830,216.40 - Step 6: Final answer
x = 90,746,827.80
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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.