Finding the Fourth Proportional to 101,122,021.13, 139,508,684.09 and 58,728,363.91
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Solution
The fourth proportional to 101,122,021.13, 139,508,684.09 and 58,728,363.91 is: 81,022,082.79
Step by Step Solution
- Step 1: Write the proportion equation
101,122,021.13 : 139,508,684.09 = 58,728,363.91 : x - Step 2: Convert to fraction form
101,122,021.13/139,508,684.09 = 58,728,363.91/x - Step 3: Cross multiply
101,122,021.13x = 139,508,684.09 × 58,728,363.91 - Step 4: Simplify right side
101,122,021.13x = 8,193,116,768,370,915 - Step 5: Solve for x
x = 8,193,116,768,370,915/101,122,021.13 - Step 6: Final answer
x = 81,022,082.79
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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.