Finding the Fourth Proportional to 90,630,476.40, 135,926,821.80 and 33,149,823.60
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Solution
The fourth proportional to 90,630,476.40, 135,926,821.80 and 33,149,823.60 is: 49,717,825.00
Step by Step Solution
- Step 1: Write the proportion equation
90,630,476.40 : 135,926,821.80 = 33,149,823.60 : x - Step 2: Convert to fraction form
90,630,476.40/135,926,821.80 = 33,149,823.60/x - Step 3: Cross multiply
90,630,476.40x = 135,926,821.80 × 33,149,823.60 - Step 4: Simplify right side
90,630,476.40x = 4,505,950,165,178,635 - Step 5: Solve for x
x = 4,505,950,165,178,635/90,630,476.40 - Step 6: Final answer
x = 49,717,825.00
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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.