Finding the Fourth Proportional to 55,166,058.36, 76,129,160.24 and 31,974,637.39
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Solution
The fourth proportional to 55,166,058.36, 76,129,160.24 and 31,974,637.39 is: 44,124,999.43
Step by Step Solution
- Step 1: Write the proportion equation
55,166,058.36 : 76,129,160.24 = 31,974,637.39 : x - Step 2: Convert to fraction form
55,166,058.36/76,129,160.24 = 31,974,637.39/x - Step 3: Cross multiply
55,166,058.36x = 76,129,160.24 × 31,974,637.39 - Step 4: Simplify right side
55,166,058.36x = 2,434,202,293,479,205 - Step 5: Solve for x
x = 2,434,202,293,479,205/55,166,058.36 - Step 6: Final answer
x = 44,124,999.43
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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.