Finding the Fourth Proportional to 90,108,490.75, 135,176,224.47 and 32,614,213.84
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Solution
The fourth proportional to 90,108,490.75, 135,176,224.47 and 32,614,213.84 is: 48,926,202.78
Step by Step Solution
- Step 1: Write the proportion equation
90,108,490.75 : 135,176,224.47 = 32,614,213.84 : x - Step 2: Convert to fraction form
90,108,490.75/135,176,224.47 = 32,614,213.84/x - Step 3: Cross multiply
90,108,490.75x = 135,176,224.47 × 32,614,213.84 - Step 4: Simplify right side
90,108,490.75x = 4,408,666,290,948,420.50 - Step 5: Solve for x
x = 4,408,666,290,948,420.50/90,108,490.75 - Step 6: Final answer
x = 48,926,202.78
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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.