Finding the Fourth Proportional to 64,274,431.68, 88,725,859.06 and 43,394,748.56
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Solution
The fourth proportional to 64,274,431.68, 88,725,859.06 and 43,394,748.56 is: 59,903,078.79
Step by Step Solution
- Step 1: Write the proportion equation
64,274,431.68 : 88,725,859.06 = 43,394,748.56 : x - Step 2: Convert to fraction form
64,274,431.68/88,725,859.06 = 43,394,748.56/x - Step 3: Cross multiply
64,274,431.68x = 88,725,859.06 × 43,394,748.56 - Step 4: Simplify right side
64,274,431.68x = 3,850,236,344,973,511 - Step 5: Solve for x
x = 3,850,236,344,973,511/64,274,431.68 - Step 6: Final answer
x = 59,903,078.79
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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.