Finding the Fourth Proportional to 71,136,242.48, 98,137,954.56 and 47,622,355.01
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Solution
The fourth proportional to 71,136,242.48, 98,137,954.56 and 47,622,355.01 is: 65,698,726.12
Step by Step Solution
- Step 1: Write the proportion equation
71,136,242.48 : 98,137,954.56 = 47,622,355.01 : x - Step 2: Convert to fraction form
71,136,242.48/98,137,954.56 = 47,622,355.01/x - Step 3: Cross multiply
71,136,242.48x = 98,137,954.56 × 47,622,355.01 - Step 4: Simplify right side
71,136,242.48x = 4,673,560,511,520,879 - Step 5: Solve for x
x = 4,673,560,511,520,879/71,136,242.48 - Step 6: Final answer
x = 65,698,726.12
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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.