Finding the Fourth Proportional to 68,294,831.88, 102,442,422.78 and 27,905,315.88
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Solution
The fourth proportional to 68,294,831.88, 102,442,422.78 and 27,905,315.88 is: 41,858,045.31
Step by Step Solution
- Step 1: Write the proportion equation
68,294,831.88 : 102,442,422.78 = 27,905,315.88 : x - Step 2: Convert to fraction form
68,294,831.88/102,442,422.78 = 27,905,315.88/x - Step 3: Cross multiply
68,294,831.88x = 102,442,422.78 × 27,905,315.88 - Step 4: Simplify right side
68,294,831.88x = 2,858,688,167,188,407.50 - Step 5: Solve for x
x = 2,858,688,167,188,407.50/68,294,831.88 - Step 6: Final answer
x = 41,858,045.31
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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.