Finding the Fourth Proportional to 212,277,420, 292,944,927.42 and 118,192,876.92
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Solution
The fourth proportional to 212,277,420, 292,944,927.42 and 118,192,876.92 is: 163,107,332.62
Step by Step Solution
- Step 1: Write the proportion equation
212,277,420 : 292,944,927.42 = 118,192,876.92 : x - Step 2: Convert to fraction form
212,277,420/292,944,927.42 = 118,192,876.92/x - Step 3: Cross multiply
212,277,420x = 292,944,927.42 × 118,192,876.92 - Step 4: Simplify right side
212,277,420x = 34,624,003,750,890,396 - Step 5: Solve for x
x = 34,624,003,750,890,396/212,277,420 - Step 6: Final answer
x = 163,107,332.62
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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.