Finding the Fourth Proportional to 196,993,562.80, 295,490,344.20 and 115,364,225.20
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Solution
The fourth proportional to 196,993,562.80, 295,490,344.20 and 115,364,225.20 is: 173,046,337.80
Step by Step Solution
- Step 1: Write the proportion equation
196,993,562.80 : 295,490,344.20 = 115,364,225.20 : x - Step 2: Convert to fraction form
196,993,562.80/295,490,344.20 = 115,364,225.20/x - Step 3: Cross multiply
196,993,562.80x = 295,490,344.20 × 115,364,225.20 - Step 4: Simplify right side
196,993,562.80x = 34,089,014,612,714,312 - Step 5: Solve for x
x = 34,089,014,612,714,312/196,993,562.80 - Step 6: Final answer
x = 173,046,337.80
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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.