Finding the Fourth Proportional to 229,978,895.80, 344,968,343.70 and 68,420,831.80
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Solution
The fourth proportional to 229,978,895.80, 344,968,343.70 and 68,420,831.80 is: 102,631,247.70
Step by Step Solution
- Step 1: Write the proportion equation
229,978,895.80 : 344,968,343.70 = 68,420,831.80 : x - Step 2: Convert to fraction form
229,978,895.80/344,968,343.70 = 68,420,831.80/x - Step 3: Cross multiply
229,978,895.80x = 344,968,343.70 × 68,420,831.80 - Step 4: Simplify right side
229,978,895.80x = 23,603,021,020,622,288 - Step 5: Solve for x
x = 23,603,021,020,622,288/229,978,895.80 - Step 6: Final answer
x = 102,631,247.70
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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.