Finding the Fourth Proportional to 135,438,736.10, 186,906,412.41 and 73,559,074.66
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Solution
The fourth proportional to 135,438,736.10, 186,906,412.41 and 73,559,074.66 is: 101,512,042.57
Step by Step Solution
- Step 1: Write the proportion equation
135,438,736.10 : 186,906,412.41 = 73,559,074.66 : x - Step 2: Convert to fraction form
135,438,736.10/186,906,412.41 = 73,559,074.66/x - Step 3: Cross multiply
135,438,736.10x = 186,906,412.41 × 73,559,074.66 - Step 4: Simplify right side
135,438,736.10x = 13,748,662,744,899,940 - Step 5: Solve for x
x = 13,748,662,744,899,940/135,438,736.10 - Step 6: Final answer
x = 101,512,042.57
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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.