Finding the Fourth Proportional to 202,231,534.71, 279,272,261.80 and 191,214,106.68
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Solution
The fourth proportional to 202,231,534.71, 279,272,261.80 and 191,214,106.68 is: 264,057,710.57
Step by Step Solution
- Step 1: Write the proportion equation
202,231,534.71 : 279,272,261.80 = 191,214,106.68 : x - Step 2: Convert to fraction form
202,231,534.71/279,272,261.80 = 191,214,106.68/x - Step 3: Cross multiply
202,231,534.71x = 279,272,261.80 × 191,214,106.68 - Step 4: Simplify right side
202,231,534.71x = 53,400,796,061,874,472 - Step 5: Solve for x
x = 53,400,796,061,874,472/202,231,534.71 - Step 6: Final answer
x = 264,057,710.57
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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.