Finding the Fourth Proportional to 86,534,623.49, 119,417,462.06 and 49,364,837.64
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Solution
The fourth proportional to 86,534,623.49, 119,417,462.06 and 49,364,837.64 is: 68,123,294.33
Step by Step Solution
- Step 1: Write the proportion equation
86,534,623.49 : 119,417,462.06 = 49,364,837.64 : x - Step 2: Convert to fraction form
86,534,623.49/119,417,462.06 = 49,364,837.64/x - Step 3: Cross multiply
86,534,623.49x = 119,417,462.06 × 49,364,837.64 - Step 4: Simplify right side
86,534,623.49x = 5,895,023,625,725,936 - Step 5: Solve for x
x = 5,895,023,625,725,936/86,534,623.49 - Step 6: Final answer
x = 68,123,294.33
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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.