Finding the Fourth Proportional to 222,346,850.69, 306,838,683.04 and 123,233,996.99
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Solution
The fourth proportional to 222,346,850.69, 306,838,683.04 and 123,233,996.99 is: 170,062,931.96
Step by Step Solution
- Step 1: Write the proportion equation
222,346,850.69 : 306,838,683.04 = 123,233,996.99 : x - Step 2: Convert to fraction form
222,346,850.69/306,838,683.04 = 123,233,996.99/x - Step 3: Cross multiply
222,346,850.69x = 306,838,683.04 × 123,233,996.99 - Step 4: Simplify right side
222,346,850.69x = 37,812,957,340,324,648 - Step 5: Solve for x
x = 37,812,957,340,324,648/222,346,850.69 - Step 6: Final answer
x = 170,062,931.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.