Finding the Fourth Proportional to 97,866,200.36, 135,059,247.80 and 53,816,810.60
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Solution
The fourth proportional to 97,866,200.36, 135,059,247.80 and 53,816,810.60 is: 74,269,338.46
Step by Step Solution
- Step 1: Write the proportion equation
97,866,200.36 : 135,059,247.80 = 53,816,810.60 : x - Step 2: Convert to fraction form
97,866,200.36/135,059,247.80 = 53,816,810.60/x - Step 3: Cross multiply
97,866,200.36x = 135,059,247.80 × 53,816,810.60 - Step 4: Simplify right side
97,866,200.36x = 7,268,457,958,631,068 - Step 5: Solve for x
x = 7,268,457,958,631,068/97,866,200.36 - Step 6: Final answer
x = 74,269,338.46
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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.