Finding the Fourth Proportional to 57,856,842.18, 79,837,165.34 and 34,331,325.30
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Solution
The fourth proportional to 57,856,842.18, 79,837,165.34 and 34,331,325.30 is: 47,374,097.70
Step by Step Solution
- Step 1: Write the proportion equation
57,856,842.18 : 79,837,165.34 = 34,331,325.30 : x - Step 2: Convert to fraction form
57,856,842.18/79,837,165.34 = 34,331,325.30/x - Step 3: Cross multiply
57,856,842.18x = 79,837,165.34 × 34,331,325.30 - Step 4: Simplify right side
57,856,842.18x = 2,740,915,694,317,425 - Step 5: Solve for x
x = 2,740,915,694,317,425/57,856,842.18 - Step 6: Final answer
x = 47,374,097.70
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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.