Finding the Fourth Proportional to 132,945,273.18, 183,495,087.99 and 77,958,844.38
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Solution
The fourth proportional to 132,945,273.18, 183,495,087.99 and 77,958,844.38 is: 107,601,155.47
Step by Step Solution
- Step 1: Write the proportion equation
132,945,273.18 : 183,495,087.99 = 77,958,844.38 : x - Step 2: Convert to fraction form
132,945,273.18/183,495,087.99 = 77,958,844.38/x - Step 3: Cross multiply
132,945,273.18x = 183,495,087.99 × 77,958,844.38 - Step 4: Simplify right side
132,945,273.18x = 14,305,065,009,106,816 - Step 5: Solve for x
x = 14,305,065,009,106,816/132,945,273.18 - Step 6: Final answer
x = 107,601,155.47
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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.