Finding the Fourth Proportional to 135,087,270.81, 186,420,593.15 and 73,207,609.38
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Solution
The fourth proportional to 135,087,270.81, 186,420,593.15 and 73,207,609.38 is: 101,026,587.34
Step by Step Solution
- Step 1: Write the proportion equation
135,087,270.81 : 186,420,593.15 = 73,207,609.38 : x - Step 2: Convert to fraction form
135,087,270.81/186,420,593.15 = 73,207,609.38/x - Step 3: Cross multiply
135,087,270.81x = 186,420,593.15 × 73,207,609.38 - Step 4: Simplify right side
135,087,270.81x = 13,647,405,963,347,066 - Step 5: Solve for x
x = 13,647,405,963,347,066/135,087,270.81 - Step 6: Final answer
x = 101,026,587.34
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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.