Finding the Fourth Proportional to 73,811,748.80, 110,717,623.20 and 54,679,872.80
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Solution
The fourth proportional to 73,811,748.80, 110,717,623.20 and 54,679,872.80 is: 82,019,809.20
Step by Step Solution
- Step 1: Write the proportion equation
73,811,748.80 : 110,717,623.20 = 54,679,872.80 : x - Step 2: Convert to fraction form
73,811,748.80/110,717,623.20 = 54,679,872.80/x - Step 3: Cross multiply
73,811,748.80x = 110,717,623.20 × 54,679,872.80 - Step 4: Simplify right side
73,811,748.80x = 6,054,025,553,294,329 - Step 5: Solve for x
x = 6,054,025,553,294,329/73,811,748.80 - Step 6: Final answer
x = 82,019,809.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.