Finding the Fourth Proportional to 168,496,129, 252,744,193.50 and 40,845,313
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Solution
The fourth proportional to 168,496,129, 252,744,193.50 and 40,845,313 is: 61,267,969.50
Step by Step Solution
- Step 1: Write the proportion equation
168,496,129 : 252,744,193.50 = 40,845,313 : x - Step 2: Convert to fraction form
168,496,129/252,744,193.50 = 40,845,313/x - Step 3: Cross multiply
168,496,129x = 252,744,193.50 × 40,845,313 - Step 4: Simplify right side
168,496,129x = 10,323,415,692,440,066 - Step 5: Solve for x
x = 10,323,415,692,440,066/168,496,129 - Step 6: Final answer
x = 61,267,969.50
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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.