Finding the Fourth Proportional to 275,304,086.99, 379,927,471.79 and 149,864,372.63
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Solution
The fourth proportional to 275,304,086.99, 379,927,471.79 and 149,864,372.63 is: 206,817,097.51
Step by Step Solution
- Step 1: Write the proportion equation
275,304,086.99 : 379,927,471.79 = 149,864,372.63 : x - Step 2: Convert to fraction form
275,304,086.99/379,927,471.79 = 149,864,372.63/x - Step 3: Cross multiply
275,304,086.99x = 379,927,471.79 × 149,864,372.63 - Step 4: Simplify right side
275,304,086.99x = 56,937,592,204,710,376 - Step 5: Solve for x
x = 56,937,592,204,710,376/275,304,086.99 - Step 6: Final answer
x = 206,817,097.51
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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.