Finding the Fourth Proportional to 230,202,409.80, 345,303,614.70 and 157,642,998.60
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Solution
The fourth proportional to 230,202,409.80, 345,303,614.70 and 157,642,998.60 is: 236,464,497.90
Step by Step Solution
- Step 1: Write the proportion equation
230,202,409.80 : 345,303,614.70 = 157,642,998.60 : x - Step 2: Convert to fraction form
230,202,409.80/345,303,614.70 = 157,642,998.60/x - Step 3: Cross multiply
230,202,409.80x = 345,303,614.70 × 157,642,998.60 - Step 4: Simplify right side
230,202,409.80x = 54,434,697,248,727,032 - Step 5: Solve for x
x = 54,434,697,248,727,032/230,202,409.80 - Step 6: Final answer
x = 236,464,497.90
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1.5x scale
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.