Finding the Fourth Proportional to 190,722,979.06, 286,127,114.28 and 69,554,431.06
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Solution
The fourth proportional to 190,722,979.06, 286,127,114.28 and 69,554,431.06 is: 104,347,198.97
Step by Step Solution
- Step 1: Write the proportion equation
190,722,979.06 : 286,127,114.28 = 69,554,431.06 : x - Step 2: Convert to fraction form
190,722,979.06/286,127,114.28 = 69,554,431.06/x - Step 3: Cross multiply
190,722,979.06x = 286,127,114.28 × 69,554,431.06 - Step 4: Simplify right side
190,722,979.06x = 19,901,408,644,585,000 - Step 5: Solve for x
x = 19,901,408,644,585,000/190,722,979.06 - Step 6: Final answer
x = 104,347,198.97
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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.