Finding the Fourth Proportional to 134,984,429.91, 186,278,748.84 and 73,104,769.08
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Solution
The fourth proportional to 134,984,429.91, 186,278,748.84 and 73,104,769.08 is: 100,884,708.91
Step by Step Solution
- Step 1: Write the proportion equation
134,984,429.91 : 186,278,748.84 = 73,104,769.08 : x - Step 2: Convert to fraction form
134,984,429.91/186,278,748.84 = 73,104,769.08/x - Step 3: Cross multiply
134,984,429.91x = 186,278,748.84 × 73,104,769.08 - Step 4: Simplify right side
134,984,429.91x = 13,617,864,918,459,518 - Step 5: Solve for x
x = 13,617,864,918,459,518/134,984,429.91 - Step 6: Final answer
x = 100,884,708.91
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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.