Finding the Fourth Proportional to 124,557,716.70, 186,836,575.05 and 66,444,643.35
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Solution
The fourth proportional to 124,557,716.70, 186,836,575.05 and 66,444,643.35 is: 99,666,965.03
Step by Step Solution
- Step 1: Write the proportion equation
124,557,716.70 : 186,836,575.05 = 66,444,643.35 : x - Step 2: Convert to fraction form
124,557,716.70/186,836,575.05 = 66,444,643.35/x - Step 3: Cross multiply
124,557,716.70x = 186,836,575.05 × 66,444,643.35 - Step 4: Simplify right side
124,557,716.70x = 12,414,289,593,932,760 - Step 5: Solve for x
x = 12,414,289,593,932,760/124,557,716.70 - Step 6: Final answer
x = 99,666,965.03
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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.