Finding the Fourth Proportional to 121,085,458.20, 181,628,187.30 and 84,734,893.80
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Solution
The fourth proportional to 121,085,458.20, 181,628,187.30 and 84,734,893.80 is: 127,102,340.70
Step by Step Solution
- Step 1: Write the proportion equation
121,085,458.20 : 181,628,187.30 = 84,734,893.80 : x - Step 2: Convert to fraction form
121,085,458.20/181,628,187.30 = 84,734,893.80/x - Step 3: Cross multiply
121,085,458.20x = 181,628,187.30 × 84,734,893.80 - Step 4: Simplify right side
121,085,458.20x = 15,390,245,161,952,010 - Step 5: Solve for x
x = 15,390,245,161,952,010/121,085,458.20 - Step 6: Final answer
x = 127,102,340.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.