Finding the Fourth Proportional to 121,116,913.80, 181,675,370.70 and 88,592,724.60
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Solution
The fourth proportional to 121,116,913.80, 181,675,370.70 and 88,592,724.60 is: 132,889,086.90
Step by Step Solution
- Step 1: Write the proportion equation
121,116,913.80 : 181,675,370.70 = 88,592,724.60 : x - Step 2: Convert to fraction form
121,116,913.80/181,675,370.70 = 88,592,724.60/x - Step 3: Cross multiply
121,116,913.80x = 181,675,370.70 × 88,592,724.60 - Step 4: Simplify right side
121,116,913.80x = 16,095,116,083,028,008 - Step 5: Solve for x
x = 16,095,116,083,028,008/121,116,913.80 - Step 6: Final answer
x = 132,889,086.90
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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.