Finding the Fourth Proportional to 135,336,560.64, 186,759,449.92 and 73,455,580.32
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Solution
The fourth proportional to 135,336,560.64, 186,759,449.92 and 73,455,580.32 is: 101,365,984.99
Step by Step Solution
- Step 1: Write the proportion equation
135,336,560.64 : 186,759,449.92 = 73,455,580.32 : x - Step 2: Convert to fraction form
135,336,560.64/186,759,449.92 = 73,455,580.32/x - Step 3: Cross multiply
135,336,560.64x = 186,759,449.92 × 73,455,580.32 - Step 4: Simplify right side
135,336,560.64x = 13,718,523,774,117,576 - Step 5: Solve for x
x = 13,718,523,774,117,576/135,336,560.64 - Step 6: Final answer
x = 101,365,984.99
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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.