Finding the Fourth Proportional to 87,286,135.47, 130,924,457.42 and 26,701,861.47
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Solution
The fourth proportional to 87,286,135.47, 130,924,457.42 and 26,701,861.47 is: 40,051,340.41
Step by Step Solution
- Step 1: Write the proportion equation
87,286,135.47 : 130,924,457.42 = 26,701,861.47 : x - Step 2: Convert to fraction form
87,286,135.47/130,924,457.42 = 26,701,861.47/x - Step 3: Cross multiply
87,286,135.47x = 130,924,457.42 × 26,701,861.47 - Step 4: Simplify right side
87,286,135.47x = 3,495,926,724,930,244.50 - Step 5: Solve for x
x = 3,495,926,724,930,244.50/87,286,135.47 - Step 6: Final answer
x = 40,051,340.41
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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.