Finding the Fourth Proportional to 215,835,163.05, 302,849,472.75 and 215,835,163.05
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Solution
The fourth proportional to 215,835,163.05, 302,849,472.75 and 215,835,163.05 is: 302,849,472.75
Step by Step Solution
- Step 1: Write the proportion equation
215,835,163.05 : 302,849,472.75 = 215,835,163.05 : x - Step 2: Convert to fraction form
215,835,163.05/302,849,472.75 = 215,835,163.05/x - Step 3: Cross multiply
215,835,163.05x = 302,849,472.75 × 215,835,163.05 - Step 4: Simplify right side
215,835,163.05x = 65,365,565,330,602,784 - Step 5: Solve for x
x = 65,365,565,330,602,784/215,835,163.05 - Step 6: Final answer
x = 302,849,472.75
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.