Finding the Fourth Proportional to 216,950,537.76, 325,512,028.76 and 69,420,822.60
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Solution
The fourth proportional to 216,950,537.76, 325,512,028.76 and 69,420,822.60 is: 104,158,823.65
Step by Step Solution
- Step 1: Write the proportion equation
216,950,537.76 : 325,512,028.76 = 69,420,822.60 : x - Step 2: Convert to fraction form
216,950,537.76/325,512,028.76 = 69,420,822.60/x - Step 3: Cross multiply
216,950,537.76x = 325,512,028.76 × 69,420,822.60 - Step 4: Simplify right side
216,950,537.76x = 22,597,312,802,714,056 - Step 5: Solve for x
x = 22,597,312,802,714,056/216,950,537.76 - Step 6: Final answer
x = 104,158,823.65
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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.