Finding the Fourth Proportional to 67,663,531.98, 93,375,766.44 and 36,723,701.70
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Solution
The fourth proportional to 67,663,531.98, 93,375,766.44 and 36,723,701.70 is: 50,678,758.45
Step by Step Solution
- Step 1: Write the proportion equation
67,663,531.98 : 93,375,766.44 = 36,723,701.70 : x - Step 2: Convert to fraction form
67,663,531.98/93,375,766.44 = 36,723,701.70/x - Step 3: Cross multiply
67,663,531.98x = 93,375,766.44 × 36,723,701.70 - Step 4: Simplify right side
67,663,531.98x = 3,429,103,792,751,431 - Step 5: Solve for x
x = 3,429,103,792,751,431/67,663,531.98 - Step 6: Final answer
x = 50,678,758.45
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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.