Finding the Fourth Proportional to 57,312,274.70, 85,968,412.05 and 49,847,314.70
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Solution
The fourth proportional to 57,312,274.70, 85,968,412.05 and 49,847,314.70 is: 74,770,972.05
Step by Step Solution
- Step 1: Write the proportion equation
57,312,274.70 : 85,968,412.05 = 49,847,314.70 : x - Step 2: Convert to fraction form
57,312,274.70/85,968,412.05 = 49,847,314.70/x - Step 3: Cross multiply
57,312,274.70x = 85,968,412.05 × 49,847,314.70 - Step 4: Simplify right side
57,312,274.70x = 4,285,294,489,715,622 - Step 5: Solve for x
x = 4,285,294,489,715,622/57,312,274.70 - Step 6: Final answer
x = 74,770,972.05
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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.