Finding the Fourth Proportional to 173,459,163.78, 239,427,246.92 and 111,579,502.34
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Solution
The fourth proportional to 173,459,163.78, 239,427,246.92 and 111,579,502.34 is: 154,014,192.60
Step by Step Solution
- Step 1: Write the proportion equation
173,459,163.78 : 239,427,246.92 = 111,579,502.34 : x - Step 2: Convert to fraction form
173,459,163.78/239,427,246.92 = 111,579,502.34/x - Step 3: Cross multiply
173,459,163.78x = 239,427,246.92 × 111,579,502.34 - Step 4: Simplify right side
173,459,163.78x = 26,715,173,058,847,416 - Step 5: Solve for x
x = 26,715,173,058,847,416/173,459,163.78 - Step 6: Final answer
x = 154,014,192.60
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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.