Finding the Fourth Proportional to 77,703,535.32, 107,229,517.02 and 42,895,330.44
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Solution
The fourth proportional to 77,703,535.32, 107,229,517.02 and 42,895,330.44 is: 59,194,804.28
Step by Step Solution
- Step 1: Write the proportion equation
77,703,535.32 : 107,229,517.02 = 42,895,330.44 : x - Step 2: Convert to fraction form
77,703,535.32/107,229,517.02 = 42,895,330.44/x - Step 3: Cross multiply
77,703,535.32x = 107,229,517.02 × 42,895,330.44 - Step 4: Simplify right side
77,703,535.32x = 4,599,645,565,494,504 - Step 5: Solve for x
x = 4,599,645,565,494,504/77,703,535.32 - Step 6: Final answer
x = 59,194,804.28
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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.