Finding the Fourth Proportional to 215,093,383,502.98, 296,962,828,256.39 and 136,922,586,287.69
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Solution
The fourth proportional to 215,093,383,502.98, 296,962,828,256.39 and 136,922,586,287.69 is: 189,038,443,739.99
Step by Step Solution
- Step 1: Write the proportion equation
215,093,383,502.98 : 296,962,828,256.39 = 136,922,586,287.69 : x - Step 2: Convert to fraction form
215,093,383,502.98/296,962,828,256.39 = 136,922,586,287.69/x - Step 3: Cross multiply
215,093,383,502.98x = 296,962,828,256.39 × 136,922,586,287.69 - Step 4: Simplify right side
215,093,383,502.98x = 40,660,918,476,172,024,610,816 - Step 5: Solve for x
x = 40,660,918,476,172,024,610,816/215,093,383,502.98 - Step 6: Final answer
x = 189,038,443,739.99
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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.