Finding the Fourth Proportional to 196,830,783.80, 295,246,175.70 and 145,812,447.80
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Solution
The fourth proportional to 196,830,783.80, 295,246,175.70 and 145,812,447.80 is: 218,718,671.70
Step by Step Solution
- Step 1: Write the proportion equation
196,830,783.80 : 295,246,175.70 = 145,812,447.80 : x - Step 2: Convert to fraction form
196,830,783.80/295,246,175.70 = 145,812,447.80/x - Step 3: Cross multiply
196,830,783.80x = 295,246,175.70 × 145,812,447.80 - Step 4: Simplify right side
196,830,783.80x = 43,050,567,582,405,880 - Step 5: Solve for x
x = 43,050,567,582,405,880/196,830,783.80 - Step 6: Final answer
x = 218,718,671.70
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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.