Finding the Fourth Proportional to 168,496,128, 252,744,192 and 40,845,312
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Solution
The fourth proportional to 168,496,128, 252,744,192 and 40,845,312 is: 61,267,968
Step by Step Solution
- Step 1: Write the proportion equation
168,496,128 : 252,744,192 = 40,845,312 : x - Step 2: Convert to fraction form
168,496,128/252,744,192 = 40,845,312/x - Step 3: Cross multiply
168,496,128x = 252,744,192 × 40,845,312 - Step 4: Simplify right side
168,496,128x = 10,323,415,378,427,904 - Step 5: Solve for x
x = 10,323,415,378,427,904/168,496,128 - Step 6: Final answer
x = 61,267,968
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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.