Finding the Fourth Proportional to 123,125,635.56, 169,910,755.58 and 67,370,831.84
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Solution
The fourth proportional to 123,125,635.56, 169,910,755.58 and 67,370,831.84 is: 92,970,313.53
Step by Step Solution
- Step 1: Write the proportion equation
123,125,635.56 : 169,910,755.58 = 67,370,831.84 : x - Step 2: Convert to fraction form
123,125,635.56/169,910,755.58 = 67,370,831.84/x - Step 3: Cross multiply
123,125,635.56x = 169,910,755.58 × 67,370,831.84 - Step 4: Simplify right side
123,125,635.56x = 11,447,028,941,987,524 - Step 5: Solve for x
x = 11,447,028,941,987,524/123,125,635.56 - Step 6: Final answer
x = 92,970,313.53
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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.