Finding the Fourth Proportional to 50,133,631.68, 69,184,586.88 and 31,561,058.88
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Solution
The fourth proportional to 50,133,631.68, 69,184,586.88 and 31,561,058.88 is: 43,554,371.53
Step by Step Solution
- Step 1: Write the proportion equation
50,133,631.68 : 69,184,586.88 = 31,561,058.88 : x - Step 2: Convert to fraction form
50,133,631.68/69,184,586.88 = 31,561,058.88/x - Step 3: Cross multiply
50,133,631.68x = 69,184,586.88 × 31,561,058.88 - Step 4: Simplify right side
50,133,631.68x = 2,183,538,820,108,155.25 - Step 5: Solve for x
x = 2,183,538,820,108,155.25/50,133,631.68 - Step 6: Final answer
x = 43,554,371.53
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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.