Finding the Fourth Proportional to 222,346,747.75, 306,838,540.98 and 123,233,893.90
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Solution
The fourth proportional to 222,346,747.75, 306,838,540.98 and 123,233,893.90 is: 170,062,789.70
Step by Step Solution
- Step 1: Write the proportion equation
222,346,747.75 : 306,838,540.98 = 123,233,893.90 : x - Step 2: Convert to fraction form
222,346,747.75/306,838,540.98 = 123,233,893.90/x - Step 3: Cross multiply
222,346,747.75x = 306,838,540.98 × 123,233,893.90 - Step 4: Simplify right side
222,346,747.75x = 37,812,908,203,482,808 - Step 5: Solve for x
x = 37,812,908,203,482,808/222,346,747.75 - Step 6: Final answer
x = 170,062,789.70
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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.