Finding the Fourth Proportional to 67,664,307.96, 93,377,640.78 and 36,724,848.12
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Solution
The fourth proportional to 67,664,307.96, 93,377,640.78 and 36,724,848.12 is: 50,680,776.60
Step by Step Solution
- Step 1: Write the proportion equation
67,664,307.96 : 93,377,640.78 = 36,724,848.12 : x - Step 2: Convert to fraction form
67,664,307.96/93,377,640.78 = 36,724,848.12/x - Step 3: Cross multiply
67,664,307.96x = 93,377,640.78 × 36,724,848.12 - Step 4: Simplify right side
67,664,307.96x = 3,429,279,675,449,418 - Step 5: Solve for x
x = 3,429,279,675,449,418/67,664,307.96 - Step 6: Final answer
x = 50,680,776.60
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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.