Finding the Fourth Proportional to 196,993,574.80, 295,490,362.20 and 115,364,237.20
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Solution
The fourth proportional to 196,993,574.80, 295,490,362.20 and 115,364,237.20 is: 173,046,355.80
Step by Step Solution
- Step 1: Write the proportion equation
196,993,574.80 : 295,490,362.20 = 115,364,237.20 : x - Step 2: Convert to fraction form
196,993,574.80/295,490,362.20 = 115,364,237.20/x - Step 3: Cross multiply
196,993,574.80x = 295,490,362.20 × 115,364,237.20 - Step 4: Simplify right side
196,993,574.80x = 34,089,020,235,154,712 - Step 5: Solve for x
x = 34,089,020,235,154,712/196,993,574.80 - Step 6: Final answer
x = 173,046,355.80
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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.