Finding the Fourth Proportional to 215,100,753,573.24, 296,865,069,317.82 and 122,424,141,027.42
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Solution
The fourth proportional to 215,100,753,573.24, 296,865,069,317.82 and 122,424,141,027.42 is: 168,960,129,188.51
Step by Step Solution
- Step 1: Write the proportion equation
215,100,753,573.24 : 296,865,069,317.82 = 122,424,141,027.42 : x - Step 2: Convert to fraction form
215,100,753,573.24/296,865,069,317.82 = 122,424,141,027.42/x - Step 3: Cross multiply
215,100,753,573.24x = 296,865,069,317.82 × 122,424,141,027.42 - Step 4: Simplify right side
215,100,753,573.24x = 36,343,451,112,279,610,753,024 - Step 5: Solve for x
x = 36,343,451,112,279,610,753,024/215,100,753,573.24 - Step 6: Final answer
x = 168,960,129,188.51
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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.