Finding the Fourth Proportional to 98,127,473.36, 135,416,808.86 and 54,076,052.79
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Solution
The fourth proportional to 98,127,473.36, 135,416,808.86 and 54,076,052.79 is: 74,625,446.41
Step by Step Solution
- Step 1: Write the proportion equation
98,127,473.36 : 135,416,808.86 = 54,076,052.79 : x - Step 2: Convert to fraction form
98,127,473.36/135,416,808.86 = 54,076,052.79/x - Step 3: Cross multiply
98,127,473.36x = 135,416,808.86 × 54,076,052.79 - Step 4: Simplify right side
98,127,473.36x = 7,322,806,504,296,319 - Step 5: Solve for x
x = 7,322,806,504,296,319/98,127,473.36 - Step 6: Final answer
x = 74,625,446.41
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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.