Finding the Fourth Proportional to 141,804,601.20, 212,706,901.80 and 121,397,266.80
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Solution
The fourth proportional to 141,804,601.20, 212,706,901.80 and 121,397,266.80 is: 182,095,900.20
Step by Step Solution
- Step 1: Write the proportion equation
141,804,601.20 : 212,706,901.80 = 121,397,266.80 : x - Step 2: Convert to fraction form
141,804,601.20/212,706,901.80 = 121,397,266.80/x - Step 3: Cross multiply
141,804,601.20x = 212,706,901.80 × 121,397,266.80 - Step 4: Simplify right side
141,804,601.20x = 25,822,036,508,016,000 - Step 5: Solve for x
x = 25,822,036,508,016,000/141,804,601.20 - Step 6: Final answer
x = 182,095,900.20
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1.5x scale
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.