Finding the Fourth Proportional to 67,664,397.96, 93,377,764.98 and 36,724,938.12
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Solution
The fourth proportional to 67,664,397.96, 93,377,764.98 and 36,724,938.12 is: 50,680,900.80
Step by Step Solution
- Step 1: Write the proportion equation
67,664,397.96 : 93,377,764.98 = 36,724,938.12 : x - Step 2: Convert to fraction form
67,664,397.96/93,377,764.98 = 36,724,938.12/x - Step 3: Cross multiply
67,664,397.96x = 93,377,764.98 × 36,724,938.12 - Step 4: Simplify right side
67,664,397.96x = 3,429,292,640,674,403 - Step 5: Solve for x
x = 3,429,292,640,674,403/67,664,397.96 - Step 6: Final answer
x = 50,680,900.80
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1.5x scale
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.