Finding the Fourth Proportional to 98,127,476.37, 135,416,813.01 and 54,076,055.79
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Solution
The fourth proportional to 98,127,476.37, 135,416,813.01 and 54,076,055.79 is: 74,625,450.55
Step by Step Solution
- Step 1: Write the proportion equation
98,127,476.37 : 135,416,813.01 = 54,076,055.79 : x - Step 2: Convert to fraction form
98,127,476.37/135,416,813.01 = 54,076,055.79/x - Step 3: Cross multiply
98,127,476.37x = 135,416,813.01 × 54,076,055.79 - Step 4: Simplify right side
98,127,476.37x = 7,322,807,135,232,757 - Step 5: Solve for x
x = 7,322,807,135,232,757/98,127,476.37 - Step 6: Final answer
x = 74,625,450.55
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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.