Finding the Fourth Proportional to 135,022,671.75, 186,331,857.97 and 73,143,010.32
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Solution
The fourth proportional to 135,022,671.75, 186,331,857.97 and 73,143,010.32 is: 100,937,663.53
Step by Step Solution
- Step 1: Write the proportion equation
135,022,671.75 : 186,331,857.97 = 73,143,010.32 : x - Step 2: Convert to fraction form
135,022,671.75/186,331,857.97 = 73,143,010.32/x - Step 3: Cross multiply
135,022,671.75x = 186,331,857.97 × 73,143,010.32 - Step 4: Simplify right side
135,022,671.75x = 13,628,873,010,444,482 - Step 5: Solve for x
x = 13,628,873,010,444,482/135,022,671.75 - Step 6: Final answer
x = 100,937,663.53
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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.