Finding the Fourth Proportional to 135,694,752.66, 203,628,216.20 and 57,972,241.28
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Solution
The fourth proportional to 135,694,752.66, 203,628,216.20 and 57,972,241.28 is: 86,995,140.56
Step by Step Solution
- Step 1: Write the proportion equation
135,694,752.66 : 203,628,216.20 = 57,972,241.28 : x - Step 2: Convert to fraction form
135,694,752.66/203,628,216.20 = 57,972,241.28/x - Step 3: Cross multiply
135,694,752.66x = 203,628,216.20 × 57,972,241.28 - Step 4: Simplify right side
135,694,752.66x = 11,804,784,081,181,614 - Step 5: Solve for x
x = 11,804,784,081,181,614/135,694,752.66 - Step 6: Final answer
x = 86,995,140.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.