Finding the Fourth Proportional to 137,978,811.20, 206,862,134.82 and 71,433,902.99
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Solution
The fourth proportional to 137,978,811.20, 206,862,134.82 and 71,433,902.99 is: 107,095,934.09
Step by Step Solution
- Step 1: Write the proportion equation
137,978,811.20 : 206,862,134.82 = 71,433,902.99 : x - Step 2: Convert to fraction form
137,978,811.20/206,862,134.82 = 71,433,902.99/x - Step 3: Cross multiply
137,978,811.20x = 206,862,134.82 × 71,433,902.99 - Step 4: Simplify right side
137,978,811.20x = 14,776,969,670,121,860 - Step 5: Solve for x
x = 14,776,969,670,121,860/137,978,811.20 - Step 6: Final answer
x = 107,095,934.09
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