Finding the Fourth Proportional to 61,245,893.10, 84,520,854.63 and 37,715,522.70
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Solution
The fourth proportional to 61,245,893.10, 84,520,854.63 and 37,715,522.70 is: 52,048,358.67
Step by Step Solution
- Step 1: Write the proportion equation
61,245,893.10 : 84,520,854.63 = 37,715,522.70 : x - Step 2: Convert to fraction form
61,245,893.10/84,520,854.63 = 37,715,522.70/x - Step 3: Cross multiply
61,245,893.10x = 84,520,854.63 × 37,715,522.70 - Step 4: Simplify right side
61,245,893.10x = 3,187,748,211,421,165 - Step 5: Solve for x
x = 3,187,748,211,421,165/61,245,893.10 - Step 6: Final answer
x = 52,048,358.67
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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.