Finding the Fourth Proportional to 84,982,287.80, 127,473,431.70 and 84,982,287.80
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Solution
The fourth proportional to 84,982,287.80, 127,473,431.70 and 84,982,287.80 is: 127,473,431.70
Step by Step Solution
- Step 1: Write the proportion equation
84,982,287.80 : 127,473,431.70 = 84,982,287.80 : x - Step 2: Convert to fraction form
84,982,287.80/127,473,431.70 = 84,982,287.80/x - Step 3: Cross multiply
84,982,287.80x = 127,473,431.70 × 84,982,287.80 - Step 4: Simplify right side
84,982,287.80x = 10,832,983,859,583,044 - Step 5: Solve for x
x = 10,832,983,859,583,044/84,982,287.80 - Step 6: Final answer
x = 127,473,431.70
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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.