Finding the Fourth Proportional to 71,291,137.10, 98,379,223.72 and 40,350,642.08
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Solution
The fourth proportional to 71,291,137.10, 98,379,223.72 and 40,350,642.08 is: 55,682,445.33
Step by Step Solution
- Step 1: Write the proportion equation
71,291,137.10 : 98,379,223.72 = 40,350,642.08 : x - Step 2: Convert to fraction form
71,291,137.10/98,379,223.72 = 40,350,642.08/x - Step 3: Cross multiply
71,291,137.10x = 98,379,223.72 × 40,350,642.08 - Step 4: Simplify right side
71,291,137.10x = 3,969,664,843,841,194 - Step 5: Solve for x
x = 3,969,664,843,841,194/71,291,137.10 - Step 6: Final answer
x = 55,682,445.33
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.