Finding the Fourth Proportional to 136,905,535.65, 188,929,805.27 and 74,181,584.09
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Solution
The fourth proportional to 136,905,535.65, 188,929,805.27 and 74,181,584.09 is: 102,370,676.02
Step by Step Solution
- Step 1: Write the proportion equation
136,905,535.65 : 188,929,805.27 = 74,181,584.09 : x - Step 2: Convert to fraction form
136,905,535.65/188,929,805.27 = 74,181,584.09/x - Step 3: Cross multiply
136,905,535.65x = 188,929,805.27 × 74,181,584.09 - Step 4: Simplify right side
136,905,535.65x = 14,015,112,235,428,270 - Step 5: Solve for x
x = 14,015,112,235,428,270/136,905,535.65 - Step 6: Final answer
x = 102,370,676.02
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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.