Finding the Fourth Proportional to 78,862,630.62, 108,834,608.64 and 47,510,549.08
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Solution
The fourth proportional to 78,862,630.62, 108,834,608.64 and 47,510,549.08 is: 65,567,074.99
Step by Step Solution
- Step 1: Write the proportion equation
78,862,630.62 : 108,834,608.64 = 47,510,549.08 : x - Step 2: Convert to fraction form
78,862,630.62/108,834,608.64 = 47,510,549.08/x - Step 3: Cross multiply
78,862,630.62x = 108,834,608.64 × 47,510,549.08 - Step 4: Simplify right side
78,862,630.62x = 5,170,792,015,393,312 - Step 5: Solve for x
x = 5,170,792,015,393,312/78,862,630.62 - Step 6: Final answer
x = 65,567,074.99
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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.