Finding the Fourth Proportional to 121,104,095.24, 167,342,262.63 and 86,236,251.23
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Solution
The fourth proportional to 121,104,095.24, 167,342,262.63 and 86,236,251.23 is: 119,161,696.17
Step by Step Solution
- Step 1: Write the proportion equation
121,104,095.24 : 167,342,262.63 = 86,236,251.23 : x - Step 2: Convert to fraction form
121,104,095.24/167,342,262.63 = 86,236,251.23/x - Step 3: Cross multiply
121,104,095.24x = 167,342,262.63 × 86,236,251.23 - Step 4: Simplify right side
121,104,095.24x = 14,430,969,401,557,320 - Step 5: Solve for x
x = 14,430,969,401,557,320/121,104,095.24 - Step 6: Final answer
x = 119,161,696.17
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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.