Finding the Fourth Proportional to 222,346,853.99, 306,838,687.61 and 123,234,000.29
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Solution
The fourth proportional to 222,346,853.99, 306,838,687.61 and 123,234,000.29 is: 170,062,936.53
Step by Step Solution
- Step 1: Write the proportion equation
222,346,853.99 : 306,838,687.61 = 123,234,000.29 : x - Step 2: Convert to fraction form
222,346,853.99/306,838,687.61 = 123,234,000.29/x - Step 3: Cross multiply
222,346,853.99x = 306,838,687.61 × 123,234,000.29 - Step 4: Simplify right side
222,346,853.99x = 37,812,958,917,913,960 - Step 5: Solve for x
x = 37,812,958,917,913,960/222,346,853.99 - Step 6: Final answer
x = 170,062,936.53
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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.