Finding the Fourth Proportional to 270,394,545.81, 405,579,630.63 and 112,762,649.82
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Solution
The fourth proportional to 270,394,545.81, 405,579,630.63 and 112,762,649.82 is: 169,138,891.94
Step by Step Solution
- Step 1: Write the proportion equation
270,394,545.81 : 405,579,630.63 = 112,762,649.82 : x - Step 2: Convert to fraction form
270,394,545.81/405,579,630.63 = 112,762,649.82/x - Step 3: Cross multiply
270,394,545.81x = 405,579,630.63 × 112,762,649.82 - Step 4: Simplify right side
270,394,545.81x = 45,734,233,864,799,424 - Step 5: Solve for x
x = 45,734,233,864,799,424/270,394,545.81 - Step 6: Final answer
x = 169,138,891.94
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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.