Finding the Fourth Proportional to 135,326,858.31, 186,751,244.67 and 73,447,196.87
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Solution
The fourth proportional to 135,326,858.31, 186,751,244.67 and 73,447,196.87 is: 101,357,229.48
Step by Step Solution
- Step 1: Write the proportion equation
135,326,858.31 : 186,751,244.67 = 73,447,196.87 : x - Step 2: Convert to fraction form
135,326,858.31/186,751,244.67 = 73,447,196.87/x - Step 3: Cross multiply
135,326,858.31x = 186,751,244.67 × 73,447,196.87 - Step 4: Simplify right side
135,326,858.31x = 13,716,355,432,061,270 - Step 5: Solve for x
x = 13,716,355,432,061,270/135,326,858.31 - Step 6: Final answer
x = 101,357,229.48
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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.