Finding the Fourth Proportional to 216,982,306.27, 299,435,355.09 and 117,863,132.37
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Solution
The fourth proportional to 216,982,306.27, 299,435,355.09 and 117,863,132.37 is: 162,650,999.06
Step by Step Solution
- Step 1: Write the proportion equation
216,982,306.27 : 299,435,355.09 = 117,863,132.37 : x - Step 2: Convert to fraction form
216,982,306.27/299,435,355.09 = 117,863,132.37/x - Step 3: Cross multiply
216,982,306.27x = 299,435,355.09 × 117,863,132.37 - Step 4: Simplify right side
216,982,306.27x = 35,292,388,893,230,620 - Step 5: Solve for x
x = 35,292,388,893,230,620/216,982,306.27 - Step 6: Final answer
x = 162,650,999.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.