Finding the Fourth Proportional to 54,373,422.40, 75,035,318.64 and 29,593,786.80
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Solution
The fourth proportional to 54,373,422.40, 75,035,318.64 and 29,593,786.80 is: 40,839,423.46
Step by Step Solution
- Step 1: Write the proportion equation
54,373,422.40 : 75,035,318.64 = 29,593,786.80 : x - Step 2: Convert to fraction form
54,373,422.40/75,035,318.64 = 29,593,786.80/x - Step 3: Cross multiply
54,373,422.40x = 75,035,318.64 × 29,593,786.80 - Step 4: Simplify right side
54,373,422.40x = 2,220,579,222,302,226 - Step 5: Solve for x
x = 2,220,579,222,302,226/54,373,422.40 - Step 6: Final answer
x = 40,839,423.46
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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.