Finding the Fourth Proportional to 76,996,950.10, 115,495,425.15 and 48,331,503.70
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Solution
The fourth proportional to 76,996,950.10, 115,495,425.15 and 48,331,503.70 is: 72,497,255.55
Step by Step Solution
- Step 1: Write the proportion equation
76,996,950.10 : 115,495,425.15 = 48,331,503.70 : x - Step 2: Convert to fraction form
76,996,950.10/115,495,425.15 = 48,331,503.70/x - Step 3: Cross multiply
76,996,950.10x = 115,495,425.15 × 48,331,503.70 - Step 4: Simplify right side
76,996,950.10x = 5,582,067,567,970,299 - Step 5: Solve for x
x = 5,582,067,567,970,299/76,996,950.10 - Step 6: Final answer
x = 72,497,255.55
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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.