Finding the Fourth Proportional to 67,676,988.58, 93,394,362.63 and 36,737,178.82
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Solution
The fourth proportional to 67,676,988.58, 93,394,362.63 and 36,737,178.82 is: 50,697,371.04
Step by Step Solution
- Step 1: Write the proportion equation
67,676,988.58 : 93,394,362.63 = 36,737,178.82 : x - Step 2: Convert to fraction form
67,676,988.58/93,394,362.63 = 36,737,178.82/x - Step 3: Cross multiply
67,676,988.58x = 93,394,362.63 × 36,737,178.82 - Step 4: Simplify right side
67,676,988.58x = 3,431,045,400,718,235.50 - Step 5: Solve for x
x = 3,431,045,400,718,235.50/67,676,988.58 - Step 6: Final answer
x = 50,697,371.04
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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.