Finding the Fourth Proportional to 135,336,968.84, 186,760,015.91 and 73,455,978.80
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Solution
The fourth proportional to 135,336,968.84, 186,760,015.91 and 73,455,978.80 is: 101,366,536.33
Step by Step Solution
- Step 1: Write the proportion equation
135,336,968.84 : 186,760,015.91 = 73,455,978.80 : x - Step 2: Convert to fraction form
135,336,968.84/186,760,015.91 = 73,455,978.80/x - Step 3: Cross multiply
135,336,968.84x = 186,760,015.91 × 73,455,978.80 - Step 4: Simplify right side
135,336,968.84x = 13,718,639,769,005,342 - Step 5: Solve for x
x = 13,718,639,769,005,342/135,336,968.84 - Step 6: Final answer
x = 101,366,536.33
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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.