Finding the Fourth Proportional to 135,336,953.96, 186,759,995.44 and 73,455,963.92
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Solution
The fourth proportional to 135,336,953.96, 186,759,995.44 and 73,455,963.92 is: 101,366,515.84
Step by Step Solution
- Step 1: Write the proportion equation
135,336,953.96 : 186,759,995.44 = 73,455,963.92 : x - Step 2: Convert to fraction form
135,336,953.96/186,759,995.44 = 73,455,963.92/x - Step 3: Cross multiply
135,336,953.96x = 186,759,995.44 × 73,455,963.92 - Step 4: Simplify right side
135,336,953.96x = 13,718,635,486,740,004 - Step 5: Solve for x
x = 13,718,635,486,740,004/135,336,953.96 - Step 6: Final answer
x = 101,366,515.84
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1.5x scale
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.