Finding the Fourth Proportional to 135,087,274.56, 186,420,598.32 and 73,207,613.10
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Solution
The fourth proportional to 135,087,274.56, 186,420,598.32 and 73,207,613.10 is: 101,026,592.48
Step by Step Solution
- Step 1: Write the proportion equation
135,087,274.56 : 186,420,598.32 = 73,207,613.10 : x - Step 2: Convert to fraction form
135,087,274.56/186,420,598.32 = 73,207,613.10/x - Step 3: Cross multiply
135,087,274.56x = 186,420,598.32 × 73,207,613.10 - Step 4: Simplify right side
135,087,274.56x = 13,647,407,035,681,068 - Step 5: Solve for x
x = 13,647,407,035,681,068/135,087,274.56 - Step 6: Final answer
x = 101,026,592.48
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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.