Finding the Fourth Proportional to 111,366,160.08, 153,703,771.92 and 64,956,412.68
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Solution
The fourth proportional to 111,366,160.08, 153,703,771.92 and 64,956,412.68 is: 89,650,623.06
Step by Step Solution
- Step 1: Write the proportion equation
111,366,160.08 : 153,703,771.92 = 64,956,412.68 : x - Step 2: Convert to fraction form
111,366,160.08/153,703,771.92 = 64,956,412.68/x - Step 3: Cross multiply
111,366,160.08x = 153,703,771.92 × 64,956,412.68 - Step 4: Simplify right side
111,366,160.08x = 9,984,045,639,308,116 - Step 5: Solve for x
x = 9,984,045,639,308,116/111,366,160.08 - Step 6: Final answer
x = 89,650,623.06
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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.