Finding the Fourth Proportional to 98,127,468.39, 135,416,801.97 and 54,076,047.81
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Solution
The fourth proportional to 98,127,468.39, 135,416,801.97 and 54,076,047.81 is: 74,625,439.52
Step by Step Solution
- Step 1: Write the proportion equation
98,127,468.39 : 135,416,801.97 = 54,076,047.81 : x - Step 2: Convert to fraction form
98,127,468.39/135,416,801.97 = 54,076,047.81/x - Step 3: Cross multiply
98,127,468.39x = 135,416,801.97 × 54,076,047.81 - Step 4: Simplify right side
98,127,468.39x = 7,322,805,457,607,022 - Step 5: Solve for x
x = 7,322,805,457,607,022/98,127,468.39 - Step 6: Final answer
x = 74,625,439.52
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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.