Finding the Fourth Proportional to 101,122,018.31, 139,508,680.19 and 58,728,361.08
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Solution
The fourth proportional to 101,122,018.31, 139,508,680.19 and 58,728,361.08 is: 81,022,078.89
Step by Step Solution
- Step 1: Write the proportion equation
101,122,018.31 : 139,508,680.19 = 58,728,361.08 : x - Step 2: Convert to fraction form
101,122,018.31/139,508,680.19 = 58,728,361.08/x - Step 3: Cross multiply
101,122,018.31x = 139,508,680.19 × 58,728,361.08 - Step 4: Simplify right side
101,122,018.31x = 8,193,116,144,583,291 - Step 5: Solve for x
x = 8,193,116,144,583,291/101,122,018.31 - Step 6: Final answer
x = 81,022,078.89
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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.