Finding the Fourth Proportional to 310,771,334.08, 428,864,376.36 and 171,542,058.94
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Solution
The fourth proportional to 310,771,334.08, 428,864,376.36 and 171,542,058.94 is: 236,728,005.64
Step by Step Solution
- Step 1: Write the proportion equation
310,771,334.08 : 428,864,376.36 = 171,542,058.94 : x - Step 2: Convert to fraction form
310,771,334.08/428,864,376.36 = 171,542,058.94/x - Step 3: Cross multiply
310,771,334.08x = 428,864,376.36 × 171,542,058.94 - Step 4: Simplify right side
310,771,334.08x = 73,568,278,126,813,472 - Step 5: Solve for x
x = 73,568,278,126,813,472/310,771,334.08 - Step 6: Final answer
x = 236,728,005.64
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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.