Finding the Fourth Proportional to 135,087,285.51, 186,420,613.40 and 73,207,624.07
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Solution
The fourth proportional to 135,087,285.51, 186,420,613.40 and 73,207,624.07 is: 101,026,607.60
Step by Step Solution
- Step 1: Write the proportion equation
135,087,285.51 : 186,420,613.40 = 73,207,624.07 : x - Step 2: Convert to fraction form
135,087,285.51/186,420,613.40 = 73,207,624.07/x - Step 3: Cross multiply
135,087,285.51x = 186,420,613.40 × 73,207,624.07 - Step 4: Simplify right side
135,087,285.51x = 13,647,410,184,686,004 - Step 5: Solve for x
x = 13,647,410,184,686,004/135,087,285.51 - Step 6: Final answer
x = 101,026,607.60
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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.